+ Most Popular
Cunninghamia lanceolata plantations in China
Mammalian lairs in paleo ecological studies and palynology
Studies on technological possibilities in utilization of anhydrous milk fat for production of recombined butter-like products
Should right-sided fibroelastomas be operated upon?
Large esophageal lipoma
Apoptosis in the mammalian thymus during normal histogenesis and under various in vitro and in vivo experimental conditions
Poissons characoides nouveaux ou non signales de l'Ilha do Bananal, Bresil
Desensitizing efficacy of Colgate Sensitive Maximum Strength and Fresh Mint Sensodyne dentifrices
Administration of fluid by subcutaneous infusion: revival of a forgotten method
Tundra mosquito control - an impossible dream?
Schizophrenia for primary care providers: how to contribute to the care of a vulnerable patient population
Geochemical pattern analysis; method of describing the Southeastern limestone regional aquifer system
Incidence of low birth weights in a hospital of Mexico City
Graded management intensity of grassland systems for enhancing floristic diversity
Microbiology and biochemistry of cheese and fermented milk
The ember tetra: a new pygmy characid tetra from the Rio das Mortes, Brazil, Hyphessobrycon amandae sp. n. (Pisces, Characoidei)
Risk factors of contrast-induced nephropathy in patients after coronary artery intervention
Renovation of onsite domestic wastewater in a poorly drained soil
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Systolic blood pressure in a population of infants in the first year of life: the Brompton study
Haematological studies in rats fed with metanil yellow
Studies on pasteurellosis. I. A new species of Pasteurella encountered in chronic fowl cholera
Dormancy breaking and germination of Acacia salicina Lindl. seeds
therapy of lupus nephritis. a two-year prospective study

Innate preference for magnetic compass direction in the Alpine newt, Triturus alpestris (Salamandridae, Urodela)?

Innate preference for magnetic compass direction in the Alpine newt, Triturus alpestris (Salamandridae, Urodela)?

Journal of Ethology 25(2): 185-193

ISSN/ISBN: 0289-0771

DOI: 10.1007/s10164-006-0017-9

Magnetic compass orientation was first discovered for migrating/homing birds in which all individuals of a population or species prefer a predictable magnetic direction during a particular migratory situation. If all other sensory cues are absent, the Earth's magnetic field may serve as a reference for other orientation mechanisms. It will be demonstrated that alpine newts (Triturus alpestris, Salamandridae) spontaneously align according to the natural or the deviated magnetic field lines of the Earth. They are able to do this in the dark and by apparently seeking to maintain a specific angle with respect to the magnetic field vector. When the horizontal component of the magnetic vector was eliminated, animals became disoriented, and orientation became random. We infer that the animals observed had learned to prefer a particular magnetic direction following environmental/geographical cues. Alternatively, the magnetic directional alignments are innate as, e.g. in migrating birds, but these may be modified/altered according to season, age, hormonal status, and environmental factors such as "landmarks", light-, sound-, or olfactory cues. Numerous observations of the aligning showed that the preference for a certain magnetic compass direction/axis was not only individual but also specific for the population-subgroups tested. Specimens roughly preferred magnetic directions close to east or west. However, the larvae were able to learn to align to obviously attractive hiding spots (tubes) that were provided in a direction that deviated with respect to the first magnetic preference. The new conditioned alignments were, again, referred to magnetically by the animals and remained stable, even if the hiding tubes were absent. Animals preferred that direction until, eventually, a new directional cue became attractive.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 013740294

Download citation: RISBibTeXText

Related references

Sexual interference in the alpine newt triturus alpestris amphibia urodela salamandridae. Zoological Science 5(1): 159-164, 1988

Photographical methods for individual identification of alpine newts Triturus alpestris and palmate newts T helveticus Urodela, Salamandridae Fotografische Methoden der Individualerkennung bei Bergmolch Triturus alpestris und Fadenmolch T helveticus Urodela, Salamandridae. Mertensiella 31 Juli; 7: 71-77, 1997

A case of neoteny in an alpine newt Triturus alpestris apuanus Salamandridae from a deserted building Un cas de neotenie, dans un batiment desaffecte chez le triton alpestre, Triturus alpestris apuanus Salamandridae. Alytes (Paris) 15(2): 99-103, 1997

Adaptation du métabolisme énergétique aux contraintes de l'altitude chez le triton alpestre, Triturus alpestris L. (Amphibia, Urodela) - Metabolic adaptations to altitudinal limitations in the Alpine newt (Triturus alpestris L.) (Amphibia, Urodela). Congres Herpetologique Franco-Suisse (71-72): 39-44, 1994

Age, Size, and Growth of the Alpine Newt, Triturus alpestris (Urodela: Salamandridae), at High Altitude and a Review of Life-History Trait Variation throughout Its Range. Herpetologica 56(2): 135-144, 2000

Magnetic Compass Mediates Nocturnal Homing by the Alpine Newt, Triturus alpestris. Behavioral Ecology and Sociobiology 58(4): 361-365, 2005

Magnetic compass mediates nocturnal homing by the alpine newt, Triturus alpestris. Behavioral Ecology and Sociobiology ust; 58(4): 361-365, 2005

Spontaneous preferences for magnetic compass direction in the American red-spotted newt, Notophthalmus viridescens (Salamandridae, Urodela). Journal of Ethology 25(2): 177-184, 2007

Biometrical investigations of central european populations of the alpine newt triturus alpestris alpestris amphibia urodela. Acta Universitatis Carolinae Biologica: 295-374, 1972

Biometrical investigations of central European populations of the alpine newt Triturus alpestris alpestris Laurenti, 1978 Amphibia Urodela. Acta Universitatis Carolinae Biologica, 19725-6: 295-373, 1974

Eine neue neotene Population des Bergmolches Triturus alpestris (Laurenti, 1768) (Caudata: Salamandridae) - Une nouvelle population néoténique de T.a. (L., 1768) (C., S.) - One new neotenic population of the alpine newt Triturus alpestris (Laurenti, 1768) (Claudata, Salamandridae). Salamandra (Frankfurt Am Main) 19(3): 151-157, 1983

Papillomatosis in the Alpine newt, Triturus alpestris (Caudata: Salamandridae). Boletin de la Asociacion Herpetologica Espanola. diciembre; 141-2: 58-59, 2003

A new neotenic population of the alpine newt triturus alpestris caudata salamandridae. Salamandra 19(3): 151-157, 1983

Sperm transport after insemination in the Alpine newt (Triturus alpestris, Caudata, Salamandridae). Folia Biologica 55(3-4): 109-114, 2007

Sperm transport after insemination in the Alpine newt (Triturus alpestris, Caudata, Salamandridae). Folia Biologica 55(3-4): 109-114, 2007