Vertebrate fauna in the Nobi area, Yokosuka City, Kanagawa Prefecture

Hayashi, M.; Suzuki, S.; Shibata, T.

Science Report of the Yokosuka City Museum 38: 89-93

1990


Accession: 038879583

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Abstract
During the period from April to August 1988, we investigated the vertebrate fauna including mammals, birds, amphibians, reptiles and freshwater fishes in the Nobi area of Yokosuka City, Kanagawa Prefecture. The mammal fauna is poor, and only three species, i.e., the raccoon dog (Nyctereutes procyonides), Japanese weasel (Mustela itatsi) and common rabbit (Oryctolagus cuniculus), were identified. The racoon dog is on the increase around crowded houses at present. 31 bird species in 18 families were identified. Of the 31 species, 21 are resident birds 3 are summer birds, 5 are winter birds, 2 species were identified only by their songs. 5 species in 4 families of Amphibia inhabited the Nobi area. Especially many egg cases of Hynobius nebulosus tokyoensis were observed from four water systems. 9 species in 4 families of Reptilia were identified, and two of them, Achalinus spinalis, and Amphiesma vibakari vibakari are rare not only in the Nobi area but also in the Miura Peninsula at present. As to freshwater fishes only one species of the goby (Rhinogobius sp.) inhabited three water systems.