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Section 39

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References:

French, RJ.; Roeper, RA. 1972: Observations on Trypodendron rufitarsis Coleoptera Scolytidae and its primary symbiotic fungus, Ambrosiella ferruginea. Annals ent Soc Am, 651: 282
Rudebeck, G. 1976: Observations on Vanessa aalanta L in southern Sweden. Entomologen 52: 55-57
Eidenmuller, B.; Wicker, R. 1998: Observations on Varanus mertensi clutches incubated under different conditions Beobachtungen an Varanus mertensi-Gelegen inkubiert unter verschiedenen Bedingungen. Herpetofauna 20(116): 30-34
Bordoni, A. 2003: Observations on Zatypota albicoxa Walker Hymenoptera Ichneumonidae and his host Achaearanea lunata Clerck Araneae Theridiidae Osservazioni su Zatypota albicoxa Walker Hymenoptera, Ichneumonidae e sul suo ospite Achaearanea lunata Clerck Araneae, Theridiidae. Doriana 8(339): 1-4
Vestergaard, DA. 1999: Observations on Zygaena viciae Lepidoptera Zygaenidae Waarnemingen van Zygaena viciae Lepidoptera Zygaenidae. Entomologische Berichten (Amsterdam). mei; 595: 75
Neumann, W. 2005: Observations on a Aplocheilus biootope Beobachtungen an einem Aplocheilus-Biotop. DKG Journal. Oktober; 375: 131-139
Unruh, M. 1998: Observations on a black grass snake Beobachtung einer schwarzen Ringelnatter Natrix natrix. Natur und Museum (Frankfurt am Main) 128(8): 247-254
Gilot, F. 1998: Observations on a booted eagle Hieraaetus pennatus at Cernay Haut-Rhin in 1996 Observations daigles bottes Hieraaetus pennatus a Cernay Haut-Rhin en 1996. Ciconia (Eguelshardt): 222: 73-75
de Armas, Luis, F. 1999: Observations on a butterfly migration Lepidoptera Pieridae in el Toldo, Moa, Holguin province Observaciones sobre una migracion de mariposas Lepidoptera Pieridae en el Toldo, Moa, provincia de Holguin. Cocuyo. Diciembre; 9: 16-17
Kronshage, A. 1996: Observations on a colony of midwife toads Alytes obstetricans in the south Westphalian mountainous region Northrhine-Westphalia Beobachtungen an einer Kolonie der Geburtshelferkrote Alytes obstetricans im sudwestfalischen Bergland Nordrhein-Westfalen. Zeitschrift fuer Feldherpetologie. Dezember; 31-2: 151-165
Schulz, Hans-Juergen. 2003: Observations on a female of Anoplius viaticus L, 1758 carrying a wolf spider Hym Pompilidae Beobachtungen eines Weibchens von Anoplius viaticus L, 1758 beim Eintragen einer Wolfsspinne Hym Pompilidae. Bembix 1(7): 14-17
Freytag, K. 1998: Observations on a further 14 Amphipyrinae and 4 Cucullinae species Lepidoptera, Noctuidae, Amphipyrinae, Cucullinae Bemerkungen zu weiteren 14 Amphipyrinae sowie 4 Cucullinae-Arten Lepidoptera, Noctuidae, Amphipyrinae, Cucullinae. Facetta 15: 12-17, 22-23
Freytag, K. 1996: Observations on a further 18 Cucullinae species Schrank, 1802 Lepidoptera, Noctuidae Bemerkungen zu weiteren 18 Cucullinae-Arten Schrank, 1802 Lepidoptera, Noctuidae. Facetta 12(1): 17-20; 27-34
Freytag, K. 1997: Observations on a further 3 Hadeninae and 11 Noctuinae species Lepidoptera, Noctuidae, Hadeninae, Noctuinae Bemerkungen zu weiteren 3 Hadeninae sowie 11 Noctuinae-Arten Lepidoptera, Noctuidae, Hadeninae, Noctuinae. Facetta 14(1-2): 13-17
Vaslin, M.; Maly, L. 1997: Observations on a jackdaw Corvus monedula with the characteristics of the eastern race soemmeringii Observation dun choucas des tours Corvus monedula presentait les caracteristiques de la race orientale soemmeringii. Ciconia (Eguelshardt) 20(3): 161-162
Voisin, Jean-Francois. 1996: Observations on a large number of Aeropus sibiricus Insecta, Orthoptera in Grande Sassiere Savoie evolution during the years 1987 and 1988 Observations sur une pullulation dAeropus sibiricus Insecta, Orthoptera en Grande Sassiere Savoie evolution pendant les annees 1987 et 1988. Travaux Scientifiques du Parc National de la Vanoise 19: 183-190
Sorace, A.; Tanda, F. 1997: Observations on a mixed brood of the great tit Parus major and the blue tit Parus caeruleus Osservazione di una covata mista di cinciallegra Parus major e di cinciarella Parus caeruleus. Picus. giugno-dicembre; 232: 107
Massemin, D.; Boyer, F. 2002: Observations on a nerite of French Guiana Neritina cf reclivata Say, 1822 Observations sur une nerite de Guyane francaise Neritina cf reclivata Say, 1822. Xenophora. avril-mai-juin; 98: 23-30
Perez-Lopez, F.; Javier.; Hernandez-Ruiz, J.A.relio. 1995: Observations on a new feeding habit in Typhoeus typhoeus Linnaeus, 1758 Coleoptera Geotrupidae Observacion de un nuevo habito alimenticio en Typhoeus typhoeus Linnaeus, 1758 Coleoptera Geotrupidae. Boletin de la Asociacion Espanola de Entomologia 19(3-4): 193
Murgia, C.; Demurtas, A.; Sgarangella, R.; Tatti, D.; Trainito, E. 1995: Observations on a new heronry of little egret Egretta garzetta in an islet of NE Sardinia Osservazioni biologiche di una nuova colonia di garzetta Egretta garzetta sita in unisola della Sardegna nord-orientale. Supplemento alle Ricerche di Biologia della Selvaggina. Marzo; 22: 669-671
Mey, E. 2002: Observations on a notable breeding site of the great crested grebe Podiceps cristatus in the Saale valley Beobachtungen an einem singulaeren Brutplatz des Haubentauchers Podiceps cristatus im Saaletal. Anzeiger des Vereins Thueringer Ornithologen. Dezember; 43: 341-344
Bousquet, Jean-Francois. 1998: Observations on a pair of squacco herons Ardea ralloides at Villeneuve Tolosane 31 in summer 1995 Observations sur un couple de herons crabiers Ardea ralloides a Villeneuve Tolosane 31 en ete 1995. Pistrac 17: 72-74
Dittberner, H.; Dittberner, W. 2004: Observations on a pre-collecting site of the waxwing Bombycilla garrulus Beobachtungen an einem Vorsammelplatz vom Seidenschwanz Bombycilla garrulus. Ornithologische Mitteilungen 568: 267-268
Burggraeve, G. 1977: Observations on a probable mixed breeding pair, roseate tern, Sterna dougallii x common tern, Sterna hirundo at Knokke. Gerfaut 67(1-2): 75-80
Danel, C. 1995: Observations on a problematic moulting in Pterinochilus murinus Observation realisee a partir dune mue problematique chez Pterinochilus murinus. Arachnides. Mars; 24: 13-14
Weissgerber, R. 2003: Observations on a rain water puddle of a field area Beobachtungen an einem Regenwassertuempel in der Feldflur. Mauritiana 183: 453-455
Heynig, H. 1997: Observations on a red coloured Euglena species Beobachtungen an einer rot gefarbten Euglena-Art. Mikrokosmos. Marz; 862: 73-76
Lantermann, W.; Lantermann, Y. 2006: Observations on a sand lizard population Lacerta agilis in the Huenxe area/Wesel district Beobachtungen an einer Zauneidechsen-Population Lacerta agilis im Bereich Huenxe/Kreis Wesel. Elaphe 14(4): 32-36
Petrovicky, I. 2002: Observations on a secretive way of life Nahlednuti do skryteho zivota. Akvarium Terarium 453: 26-27
Becker, U.; Becker, K.-Heinz. 1991: Observations on a serotine bat Eptesicus serotinus infected with rabies Beobachtungen an einer an Tollwut erkrankten Breitflugelfledermaus Eptesicus serotinus. Naturschutz und Landschaftspflege in Niedersachsen 26: 159
Hausl-Hofstaetter, U. 2004: Observations on a sleeping aggregation of the wool-carder bee Anthidium septemspinosum Lepeletier 1841 Hymenoptera, Apoidea, Megachilidae Beobachtungen an einer Nachtruhegemeinschaft der Wollbiene Anthidium septemspinosum Lepeletier 1841 Hymenoptera, Apoidea, Megachilidae. Linzer Biologische Beitraege 30 November; 362: 801-822
Scheidt, U. 1995: Observations on a spawning ground of the toad Bufo bufo L, 1758 in Erfurt/Thuringia 2 Size frequency and body mass; anomalies and injuries Beobachtungen an einem Laichplatz der Erdkrote Bufo bufo L, 1758 bei Erfurt/Thuringen 2 Langenklassen und Massenverteilung; Anomalien und Verletzungen. Veroeffentlichungen des Naturkundemuseums Erfurt 14: 24-36
Scheidt, U. 1994: Observations on a spawning place of the toad Bufo bufo L, 1758 near Erfurt 1 Migration behaviour and sex ratio Beobachtungen an einem Laichplatz der Erdkrote Bufo bufo L, 1758 bei Erfurt 1 Wanderverhalten und Geschlechterverhaltnis. Veroeffentlichungen des Naturkundemuseums Erfurt 13: 178-187
Zettel, H.; Wiesbauer, H. 2003: Observations on a syntopic occurrence of Osmia Anthocopa mocsaryi Friese, 1895 and Osmia Anthocopa papaveris Latreille, 1799, with further additions to the bee fauna Hymenoptera Apidae of the Eichkogel near Moedling lower Austria Beobachtungen zu einem syntopen Vorkommen von Osmia Anthocopa mocsaryi Friese, 1895 and Osmia A papaveris Latreille, 1799 sowie weitere Ergaenzungen zur Bienenfauna Hymenoptera Apidae des Eichkogels bei Moedling Niederoesterreich. Beitraege zur Entomofaunistik. Dezember; 4: 45-54
Badtke, G.; Biermann, H.; Schulze, W. 2004: Observations on a third generation of the map butterfly Araschnia levana Linnaeus, 1758 in north Germany in late summer 2003 Beobachtungen zu einer dritten Generation des Landkaertchen-Falters Araschnia levana Linnaeus, 1758 im noerdlichen Deutschland im Spaetsommer 2003. Mitteilungen der Arbeitsgemeinschaft Westfaelischer Entomologen 31 Oktober; 202: 31-32
Skiba, R. 1997: Observations on a treecreeper - short-toed treecreeper hybrid Certhia familiaris - C brachydactyla with alternate song stanzas of both species Beobachtungen eines Mischsangers Waldbaumlaufer - Gartenbaumlaufer Certhia familiaris - C brachydactyla mit getrennt vorgetragenen Strophen beider Arten. Jahresberichte des Naturwissenschaftlichen Vereins in Wuppertal. Juli; 50: 125-128
Lienenbecker, H. 2006: Observations on a vineyard snail population in Steinhagen/Guetersloh district Beobachtungen an einer Weinbergschnecken-Population in Steinhagen/Kreis Guetersloh. Bericht des Naturwissenschaftlichen Vereins fuer Bielefeld und Umgegend E V 46: 363-374
Gibeaux, C.A. 1998: Observations on a year of entomology, 1997, in the forests of Fontainebleau, Trois-Pignons, Champagne and Brimbois Lepidoptera Observations sur lannee entomologique 1977 dans les forets domaniales de Fontainebleau, des Trois-Pignons, de Champagne et de Brimbois Lepidoptera. Bulletin de l'Association des Naturalistes de la Vallee du Loing et du Massif de Fontainebleau 741: 25-39
Cantu Chapa, A. 1993: Observations on ammonite Perisphinctidae of the Upper Tithonian Kossmatia Uhlig and Fierrites gen nov Observaciones sobre las amonitas Perisphinctidae del Titoniano superior Kossmatia Uhlig y Fierrites gen nov. Revista de la Sociedad Mexicana de Paleontologia A.C.. Octubre; 61: 49-55
Wiener, Anna Karina. 1996: Observations on amphibians in Klagenfurt Amphibienbeobachtungen in Klagenfurt. Carinthia II: 1062: 463-468
Kunz, K. 1999: Observations on amplexus of Hymenochirus boettgeri Tornier, 1896 Bemerkungen zum Amplexus bei Hymenochirus boettgeri Tornier, 1896. Elaphe 7(3): 16-19
Weissgerber, R. 1996: Observations on an abnormal coloured buzzard Buteo buteo near Oelsen Beobachtung eines abnorm gefarbten Mausebussards Buteo buteo bei Oelsen. Mauritiana 161: 210-211
Litt, R. 2000: Observations on an aquatic coleopteran Agabus Gaurodytes guttatus Paykull, 1798 Coleoptera/Dytiscidae Observations sur le coleoptere aquatique Agabus Gaurodytes guttatus Paykull, 1798 Coleoptera/Dytiscidae. Revue Vervietoise d'Histoire Naturelle 57: 137-140
Poppen, T. 1991: Observations on an infection with rabies of the serotine bat Eptesicus serotinus in Aurich Region Beobachtungen zur Tollwuterkrankung einer Breitflugelfledermaus Eptesicus serotinus im Landkreis Aurich. Naturschutz und Landschaftspflege in Niedersachsen 26: 157-158
Schardt, M.; Kohler, G. 1995: Observations on an interesting deformity of Basiliscus plumifrons Bemerkungen zu einer interessanten Missbildung bei Basiliscus plumifrons. Iguana Rundschreiben 81: 24-25: 14
Zawadzki, M. 2005: Observations on an introduced population of Podarcis pityusensis pityusensis Bosca, 1883 in Cala Ratjada north east Mallorca Beobachtungen an einer eingeschleppten Population von Podarcis pityusensis pityusensis Bosca, 1883 in Cala Ratjada Nordost-Mallorca. Eidechse 16(3): 84-88
Il'in, V.S. 1956: Observations on and corrections to the suborder Gobioidei in L S Bergs book Fresh water fishes of the USSR and adjoining countries, 4th Edit, 1948-1949. Russian Transl Progm NLL, RTS 3174: 1-13
Casali, S.; Suzzi Valli, A.; Busignani, G.; Tedaldi, G. 2002: Observations on arboreal habits of Speleomantes italicus Dunn, 1923 in the Republic of San Marino Osservazioni sui costumi arboricoli di Speleomantes italicus Dunn, 1923 nella Repubblica di San Marino Amphibia Urodela Plethodontidae. Quaderno di Studi e Notizie di Storia Naturale della Romagna. febbraio; 16: 95-98
Kreisch, WF. 2000: Observations on artificial nesting aids for aculeate Hymenoptera in big city centres Hym Beobachtungen an Nisthilfen fuer aculeate Hymenopteren im Kernbereich von Grossstaedten Hym. Entomologische Nachrichten und Berichte 444: 229-235
van Aartsen, B. 1981: Observations on autumn moths with wingless females Lep, Geometridae. Entomologische Berichten (Amsterdam): 411: 1-3
Blant, M. 1993: Observations on bats at the Psychiatric Hospital of the Canton Perreux NE results of five years of active protection Observation des chiropteres a lHopital psychiatrique cantonal de Perreux NE bilan de cinq ans de protection active. Rhinolophe 10: 39-47
Mucedda, M.; Vadacca, M.; Ciccarese, N. 2003: Observations on bats of some coastal caves of south eastern Salento Lecce Osservazioni sui chirotteri di alcune grotte costiere del Salento sud-orientale Lecce. Thalassia Salentina 26: 237-240 Supplemento
Auverlot, E. 2002: Observations on beetles in the Somme littoral zone, Ponthieu-Marquenterre-Vimeu Observations de coleopteres dans la Somme zone littorale, Ponthieu-Marquenterre-Vimeu. Bulletin de la Societe Entomologique du Nord de la France 4eme Trimestre; 305: 21-24
Lundberg, U.; Szdzuy, K.; Koenig, I. 2001: Observations on behavioural development in African elephants Loxodonta africana in the Berlin-Friedrichsfelde Zoo Beobachtungen zur Verhaltensontogenese Afrikanischer Elefanten Loxodonta africana im Tierpark Berlin-Friedrichsfelde. Milu 103: 392-408
Aguilera, L.; Marquetti, M.M.; Fuentes, O.; Navarro, A. 1996: Observations on biological aspects of Blattella germanica Dictyoptera Blattellidae under laboratory conditions Observaciones sobre aspectos biologicos de Blattella germanica Dictyoptera Blattellidae en condiciones de laboratorio. Revista Cubana de Medicina Tropical 481: 12-14
Camporese, P.; Pellizzari, G. 1998: Observations on biology of Ceroplastes japonicus in urban environment Osservazioni sul ciclo biologico di Ceroplastes japonicus in ambiente urbano. IF (Informatore Fitopatologico). novembre; 4811: 42-50
Yanushko, P.A. 1950: Observations on biology of Marmota menzbieri Kaschk. Zool J Moscow 306: 629-635
Gomez, B.; Villalobos, F.J.vier.; Ruiz, L.; Castro, A.E. 1999: Observations on biology of Melolonthidae Coleoptera Scarabaeoidea at a locality of Los Altos de Chiapas, Mexico Observaciones sobre la biologia de melolontidos Coleoptera Scarabaeoidea en una localidad de Los Altos de Chiapas, Mexico. Acta Zoologica Mexicana 78: 173-177
Bertolero, A.; Zavalaga, C. 2003: Observations on biometry and molt of the Peruvian Seaside-Cinclodes Cinclodes taczanowskii at Punta San Juan, Southern Peru Observaciones sobre la biometria y la muda del Churrete Marisquero Cinclodes taczanowskii en Punta San Juan, Costa Sur del Peru. Ornitologia Neotropical 25 November; 144: 469-475
Beltzer, A.H.; Ordano, M. 2001: Observations on bird assemblages of an insular middle Parana River forest in Argentina Observaciones sobre ensambles de Aves de un bosque insular del Rio Parana medio, Argentina. Revista Ceres. Maio-Junho; 48277: 395-400
Tot, L. 2001: Observations on bird fauna in broader vicinity of Prizren and Kosovska Mitrovica in period 1960-1961 Zapazanja o fauni ptica sire okoline Prizrena i Kosovske Mitrovice u periodu 1960-1961. Ciconia (Novi Sad): 10: 67-71
Lessow, O.; Rowald, W. 2007: Observations on bird migration, especially raptors, near Tarifa in southern Spain Beobachtungen zum Zugverhalten von Greifvoegeln und anderen Vogelarten bei Tarifa in Suedspanien. Limicola 212: 89-121
de Lima, F.C.; Aleixo, A. 2000: Observations on bird species found in urban habitats in the city of Campinas, Sao Paulo State, Brazil Notas sobre algumas aves em ambientes antropizados da cidade de Campinas, Sao Paulo, Brasil. Boletim CEO. Julho; 14: 2-6
Bottazzo, S.; Piras, G.; Tonelli, A. 2001: Observations on birds at Cava Bomba Regional Park of Colli Euganei - Veneto Osservazioni sullavifauna di Cava Bomba Parco Regionale dei Colli Euganei - Veneto. Bollettino del Museo Civico di Storia Naturale di Venezia 51: 156-160(Supplo)
Birdlife Osterreich (Landesgruppe Karnten). 1997: Observations on birds in Carinthia during 1996 Vogelkundliche Beobachtungen aus Karnten 1996. Carinthia II: 1071: 215-224
Birdlife Osterreich (Landesgruppe Karnten). 1998: Observations on birds in Carinthia during 1997 Vogelkundliche Beobachtungen aus Karnten 1997. Carinthia II: 1081: 273-283
Ferreira de Vasconcelos, M.; Figueredo, C.C.nha.; Carvalho, H.A.ila.; D'Angelo Neto, S. 2003: Observations on breeding biology of the Pauraque, Nyctidromus albicollis Gmelin, 1789, Aves Caprimulgiformes in Minas Gerais state, Brazil Observacoes sobre a reproducao do curiango, Nyctidromus albicollis Gmelin, 1789, Aves Caprimulgiformes no estado de Minas Gerais, Brasil. Lundiana. July-December; 42: 141-147
Uhlig, R.; Uhlig, S. 1998: Observations on breeding in buildings by the pale crag martin Hirundo obsoleta in the United Arab Emirates Beobachtungen an Gebaudebrutern der Steinschwalbe Hirundo obsoleta in den Vereinigten Arabischen Emiraten. Monticola 1 Dezember; 884: 113-115
Gruen, R. 2004: Observations on breeding in the grey wagtail Motacilla cinerea Beobachtungen des Brutgeschehens bei der Gebirgsstelze Motacilla cinerea. Oeko-L: 264: 29-30
Krasovski, V.P. 1954: Observations on breeding of desman in captivity. Zoologicheskii Zhurnal 33: 180-183
Mayer, Gertrud Th. 1993: Observations on breeding sites and breeding periods of jackdaws Corvus monedula in Upper Austria 1880 to 1990 Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Dohlen Curvus Brutplatz- und Brutzeitbeobachtungen von Doh. Jahrbuch des Oberoesterreichischen Musealvereines Gesellschaft fuer Landeskunde 1381: 309-322
Kupko, S.; Schlottke, L. 1999: Observations on breeding success of jackdaws breeding in nest boxes in Berlin Beobachtungen zum Bruterfolg der in Nistkasten brutenden Dohlen Corvus monedula L in Berlin. Berliner Ornithologischer Bericht 92: 143-147
Jaschhof, H. 1998: Observations on brood care by Saperda carcharias L Col, Cerambycidae Beobachtungen zur Brutfursorge beim Grossen Pappelbock Saperda carcharias L Col, Cerambycidae. Entomologische Nachrichten und Berichte 424: 203-204
Raingeard, J. 1996: Observations on buprestids of the Massif de Saint-Guilhem-le-Desert Herault Coleoptera, Buprestidae Observation sur les buprestes du Massif de Saint-Guilhem-le-Desert Herault Coleoptera, Buprestidae. Bulletin de l'Entomologie Tourangelle 172: 20-21
Malavasi, D.; Tralongo, S. 1999: Observations on butterflies and on dragonflies communities living in the regional park of the River Stirone Osservazioni sulle comunita di lepidotteri ropaloceri e odonati presenti nel Parco regionale dello Stirone. Pianura 11: 133-145
Schurian, K.G. 1997: Observations on butterflies at the Turkish south coast in autumn 1996 Schmetterlingsbeobachtungen an der turkischen Sudkuste im Herbst 1996. Nachrichten des Entomologischen Vereins Apollo 18(2-3): 311-314
Fieber, V. 1998: Observations on butterflies during 1997 in northern Rhineland-Palatinate with a list of Macrolepidoptera registered during 1992 to 1998 in the research area Wustseifen Einige Schmetterlingsbeobachtungen 1997 aus dem nordlichen Rheinlad-Pfalz - mit einer Liste der von 1992 bis 1998 im Untersuchungsgebiet Wustseifen registrierten Macrolepidoptera. Melanargia 31 Dezember; 104: 134-140
Beck, A. 1998: Observations on butterflies in Gran Canaria Canary Islands Tagfalter-Beobachtungen auf Gran Canaria Kanarische Inseln. Entomologische Zeitschrift 108(11): 429-436
Ten Hagen, W.; Eckweiler, W. 2000: Observations on butterflies in Syria 4th contribution Lepidoptera Papilionoidea, Hesperioidea Tagfalterbeobachtungen in Syrien 4 Beitrag Lepidoptera Papilionoidea, Hesperioidea. Nachrichten des Entomologischen Vereins Apollo. Juni; 212: 65-70
ten Hagen, W. 1996: Observations on butterflies in Syria and Jordan 2nd contribution Lepidoptera Papilionoidea, Hesperioidea Tagfalterbeobachtungen in Syrien un Jordanien 2 Beitrag Lepidoptera Papilionoidea, Hesperioidea. Nachrichten des Entomologischen Vereins Apollo. Juli; 172: 123-142
ten Hagen, W. 1998: Observations on butterflies in Syria and Jordan 3rd contribution Lepidoptera Hesperioidea, Papilionoidea Tagfalterbeobachtungen in Syrien und Jordanien 3 Beitrag Lepidoptera Hesperioidea, Papilionoidea. Nachrichten des Entomologischen Vereins Apollo 19(3-4): 247-268
Schmitt, T. 1998: Observations on butterflies in nature reserves of Rhineland-Palatinate Tagfalterbeobachtungen in rheinland-pfalzischen Naturschutzgebieten. Mainzer Naturwissenschaftliches Archiv 36: 217-251
Gosalbez Fernandez, Jose Luis. 1997: Observations on butterflies in the Pyrenees of Aragon Canfranc, June 1996 Observacion de Lepidopteros en el Pirineo aragones Canfranc, Junio 1996. Saturnia. Enero; 69: 37-41
Bertuetti, E.; Valle, M. 2003: Observations on caddisflies in a biotope in Lombardy sixty years after Prof Morettis studies Osservazioni tricotterologiche in un biotopo Lombardo a sessanta anni dagli studi del Prof Moretti Insecta, Trichoptera. Rivista del Museo Civico di Scienze Naturali "Enrico Caffi" 21: 99-107
Malkmus, R. 1996: Observations on calling activity of frog species at Mount Kinabalu, North Borneo Bemerkungen zur Rufaktivitat einiger Froscharten am Mount Kinabalu, Nord-Borneo. Herpetofauna 18(101): 20-26
Pojoga, I. 1970: Observations on carp genetics. Montes 26: 53-56
Evers, Hans-Georg. 1998: Observations on catfish in the south east of Brazil Beobachtungen an Welsen im Sudosten Brasiliens. DATZ 51(10): 620-622
Kainz, E.; Gollmann, H.P.ter. 2001: Observations on changes of fish stocks in a residual flow stretch of the river Fuschler Ache Austria between August 1988 and October 2000 Beobachtungen ueber Fischbestandsaenderungen in einer Restwasserstrecke der Fuschler Ache OOe in der Zeit vom August 1988 bis zum Oktober 2000. Oesterreichs Fischerei 54(8-9): 190-204
Reinhardt, H. 1999: Observations on characteristics and foraging behaviour of the Syrian woodpecker Beobachtungen zu Merkmalen und zum Verhalten des Blutspechts bei der Nahrungssuche. Ornithologische Mitteilungen 519: 296-298
Viloria, A.L.; Portillo, L. 2000: Observations on coal mining in the Perija mountains Zulia, Venezuela and its negative and irreversible consequences for the local environment Observaciones sobre la extraccion del carbon en la Sierra de Perija Zulia, Venezuela y sus consecuencias negativas y irreversibles sobre el ambiente local. Anartia. diciembre; 12: 1-19
de Morais, S.A.; Marrelli, M.T.; Natal, D. 2007: Observations on control applications in breeding sites with high infestation of Culex quinquefasciatus Say Diptera, Culicidae Observacoes sobre aplicacoes de controle em ecotopo com alta infestacao de Culex quinquefasciatus Say Diptera, Culicidae. Revista Brasileira de Entomologia. Abril-Junho; 512: 246-251
Litt, R. 2000: Observations on copulation in lepidopterans 2 Lepidoptera Observations sur les accouplements des lepidopteres 2 Lepidoptera. Revue Vervietoise d'Histoire Naturelle 57: 53-60
Greven, H.; Nehrig, N. 2004: Observations on courtship and mating in Dermogenys pusilla van Hasselt, 1837 Hemiramphidae, Teleostei Beobachtungen zur Balz und Paarung von Dermogenys pusilla van Hasselt, 1837 Hemiramphidae, Teleostei. Zeitschrift fuer Fischkunde 71: 9-29
Uhlig, R.; Uhlig, S. 2000: Observations on courtship behaviour of Egyptian vulture Neophron percnopterus Beobachtungen zum Balzflug des Schmutzgeiers Neophron percnopterus. Limicola 144: 184-189
Akin Polat, Z.; Saygi, G.; Kalkan, K. 2004: Observations on cysticerci of Taenia saginata Cysticercus bovis Taenia saginata sistiserkusu Cysticercus bovis uzerinde calismalar. Turkiye Parazitoloji Dergisi 282: 86-90
Bogoslovski, A.S. 1949: Observations on development of colonies in Rotatoria. Zool Journ Moscow 28: 137-144
Turk, S.Z. 2002: Observations on diapause and two kind of oviposition in Scotussa lemniscata Stal Acrididae Melanoplinae Dichroplini Desoves epifiticos e hipogeos dos modalidades de oviposicion en Scotussa lemniscata Stal 1860 Acrididae Melanoplinae Consideraciones sobre su diapausa Tucuman, Argentina. Acta Zoologica Lilloana 46(1-2): 23-29
Deveci, O. 1996: Observations on diapause of Locusta migratoria cinerascens Fab Orthoptera Acrididae in the Menemen-Izmir plain population Locusta migratoria cinerascens Fab Orthoptera Acrididaein Menemen-Izmir ovasi populasyonunda diyapozu uzerine arastirmalar. Turkish Journal of Zoology 203: 255-259
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Cannizzaro, L.; Beltrano, AM.; Kallianiotis, A.; Vidoris, P.; Garofalo, G. 2002: Observations on feeding habits of Lithognathus mormyrus in the Gulf of Selinunte and in the Gulf of Kavala Osservazioni sulla dieta di Lithognathus mormyrus Linnaeus, 1758 nel Golfo di Selinunte e nel Golfo di Kavala. Biologia Marina Mediterranea 9(1 Part 2): 740-742
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Pais, A.; Chessa, LA.; Serra, S.; Ligios, L.; Mura, F. 2001: Observations on fish fry ascent in the Calich lagoon NW Sardinia Osservazioni sulla rimonta del pesce novello nello stagno di Calich Sardegna Nord Occidentale. Biologia Marina Mediterranea 82: 547-550
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Schulz, U.; Eisermann, K. 2001: Observations on hummingbirds in a cloud forest in Guatemala Kolibri-Beobachtungen in einer Nebelwaldregion Guatemalas. Gefiederte Welt 125(9): 340-342
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Coimbra, Joao Carlos; Pinto, Iraja Damiani; Wurdig, Norma Luiza; Do Carmo, Dermeval Aparecido 1999: Observations on microtheriofauna in the Lentiai area Belluno Pre-Alps Osservazioni sulla microteriofauna nella zona di Lentiai Prealpi Bellunesi. Bollettino del Museo Civico di Storia Naturale di Venezia 48: 209-212(Supplo)
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Hansen, Morten DD. 2001: Observations on migrating red admirals Vanessa atalanta L in Denmark 1995-2000 Observationer af traekkende admiraler Vanessa atalanta L i Danmark i 1995-2000. Flora og Fauna 107(1): 1-5
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Priore, R.; Lopez, C. 1998: Observations on morphology and bioethology of Phyllocnistis citrella in Campania Region Italy Note di morfologia e biologia di Phyllocnistis citrella in Campania. IF (Informatore Fitopatologico). novembre; 4811: 7-11
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Harmata, W. 2000: Observations on native species of bats in captivity Spostrzezenia nad krajowymi gatunkami nietopierzy w hodowli. Wszechswiat 101(1-3): 22-25
Tsolakis, H.; Ragusa, E. 2004: Observations on natural biological control of Tetranychus urticae Koch Acariformes, Tetranychidae on strawberries in glasshouse in an organic farming process Osservazioni su un caso di controllo biologico naturale di Tetranychus urticae Koch Acariformes Tetranychidae su fragola in serra a conduzione biologica. Atti del Congresso Nazionale Italiano di Entomologia 192: 1377-1381
Suhrmann, R. 1998: Observations on nest construction in the spider wasp Auplopus carbonarius Scopoli, 1753 Hymenoptera Pompilidae Beobachtungen beim Tonnchenbau der Wegwespe Auplopus carbonarius Scopoli, 1763 Hymenoptera Pompilidae. Mitteilungen des Internationalen Entomologischen Vereins E.V. Frankfurt A.M. 23(3-4): 181-185
Scaravelli, D. 1997: Observations on nesting behaviour and chick food of Muscicapa striata on Elba island Osservazioni su di un nido e dati alimentari di Muscicapa striata nell Isola dElba. Rivista Italiana di Ornitologia 66(2): 199-201
Krupa, A. 1998: Observations on nesting of black-headed gull Larus ridibundus at the central Warta Obserwacje nad gniezdzeniem sie smieszki Larus ridibundus nad srodkowa Warta. Przeglad Przyrodniczy 94: 93-96
Torres, O.; Acosta, M.; Jimenez, A.; Mugica, L. 2002: Observations on nestlings of West Indian whistling-duck Dendrocygna arborea in Cienaga de Zapata, Cuba Observacion de polluelos de yaguasa Dendrocygna arborea en la Cienaga de Zapata, Cuba. Pitirre. Spring; 151: 38-39
Gistsov, AP. 1990: Observations on night migration of birds in western Tyan-Shan during October 1980. Migratsii Ptits V Azii, 185-194
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Loza, A.; Ludwig 2003: Observations on omnivorism in three carabids Coleoptera in the Peruvian high plains Observaciones sobre omnivorismo en tres carabidos Coleoptera del altiplano peruano. Revista Peruana de Entomologia 25 setiembre; 43: 169-170
Zangheri, S.; Furlan, L.; Sannino, L. 1998: Observations on overwintering of Agrotis ipsilon Hufnagel in different Italian regions Agrotis ipsilon Hufnagel indagini sullo svernamento in diverse regioni italiane Lepidoptera Noctuidae. Bollettino di Zoologia Agraria e di Bachicoltura 30(2): 125-130
Schmitt, T. 2000: Observations on oviposition behaviour and larval food plants of butterflies in southwestern Hunsrueck during the year 2000 Beobachtungen zum Eiablageverhalten und zu Raupenfutterpflanzen von Tagfaltern im suedwestlichen Hunsrueck im Jahr 2000. Abhandlungen der Delattinia 26: 143-148
Frey, H.; Roth-Callies, M. 1996: Observations on pair formation and reproductive behaviour in reintroduced bearded vultures Gypaetus barbatus in Rauris Salzburg, Austria Untersuchungen zur Paarbildung und zum Fortpflanzungsverhalten wiedereingeburgerter Bartgeier Gypaetus barbatus. Abhandlungen der Zoologisch-Botanischen Gesellschaft in Oesterreich 29: 107-121
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Isacch, J.P.; Chiurla, E.H. 1997: Observations on pelagic seabirds at SE Buenos Aires, Argentina Observaciones sobre aves pelagicas en el SE bonaerense, Argentina. Hornero. Noviembre; 144: 253-254
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Finke, C.; Deppe, U.; Dudler, H.; Retzlaff, H.; Wittland, W. 1998: Observations on plume moths in east Westphalia, north Hesse and south Lower Saxony Lep, Pterophoridae Federgeistchen-Beobachtungen in Ostwestfalen, Nordhessen und Sudniedersachsen Lep, Pterophoridae. Melanargia 31 Dezember; 104: 117-129
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Simon, O.; Jenrich, J. 1999: Observations on predation of grasshoppers by birds and mammals Beobachtungen zur Pradation von Heuschrecken durch Vogel und Saugetiere. Articulata 141: 1-6
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Schnepf, E. 1999: Observations on protists, which feed on algae Part 2 Euglenozoa and phagotrophic nanoflagellates of the North Sea Beobachtungen an Protisten, die sich von Algen ernahren 2 Teil Euglenozoa und phagotrophe Nanoflagellaten der Nordsee. Mikrokosmos. Marz; 882: 117-124
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Lindigkeit, H.J. 2005: Observations on rearing and the influence of vibrations on a scorpion mother with young on its back in the species Mesobuthus gibbosus Brulle, 1891 Scorpiones Buthidae Beobachtungen aus der Nachzuchtpraxis zum Einfluss von Vibrationen auf eine Skorpionmutter mit Jungtieren auf dem Ruecken der Art Mesobuthus gibbosus Brulle, 1891 Scorpiones Buthidae. Arthropoda. Dezember; 133: 8-11
Castro Galvez, R.; Celis Cesena, R.; Espinoza Montes, A.; Perez Serrano, A. 1992: Observations on rearing juveniles of the blue abalone Haliotis fulgens, Philippi, 1845 in laboratory conditions Observaciones sobre crecimiento de juveniles de abulon azul Haliotis fulgens, Phillippi, 1845 en condiciones de laboratorio. Congreso Nacional de Oceanografia 71: 239-246
Koehler, D. 2000: Observations on rectum licking by a female of the lesser shrew Sorex minutus Beobachtungen zum Enddarmlecken eines Weibchens der Zwergspitzmaus Sorex minutus. Saeugetierkundliche Informationen, 423-24: 576-577
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