Colour variants in the Białowieża population of the European water shrew

Fedyk, Stanisław; Borowski, Stanisław

doi:10.4098/at.arch.80-1

Cited by 4 publications

(1 citation statement)

References 2 publications

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“…Examination of another 261 specimens from 14 other Akodon species revealed no within-species pattern of pelage color variation that could be associated with habitat.21 Like the NHMs leucystic specimen of A. olivaceus in the same collection (NHM 7.2.12.1), the specimens from Yakatuviana should perhaps be best considered sports and undeserving of subspecific status (see Owen and Shackelford, 1942;Mustrangi, 1994; Liteak and Zejda, 1995 for similar examples with other species). The trapping of several similarly colored animals in the same locality may simply indicate genetic relatedness and a sharing of the same colour-coding allele (see Benton, 1953;Fedyk and Borowski, 1980 for parallel mammalian examples).…”

Section: Boliviensismentioning

confidence: 99%

Small mammals of the Cajas Plateau, southern Ecuador: Ecology and natural history

Barnett

1999

FLMNH

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We captured 483 small mammals (19 species: 1 insectivore, 2 marsupials, 16 rodents) from sites between 2700 and 4000 m on the Cajas Plateau, Azuay Province, Ecuador. Fifteen species were taken in montane forest and 10 on the páramo. Five species occurred in both habitats. One species was new to science, three were recorded for only the second time and three records were major range extensions, including one species new to Ecuador. Comparisons with other Andean sites show the species diversity of small mammals on the Cajas Plateau to be among the highest recorded in the Andes. Reasons for this are discussed. Data are presented on habitat preferences, reproduction, diet and pelage variation for each species. Litter sizes at the small end of a species' range were consistently observed. Adversity selection (sensu Southwood, 1977) at high altitude is suggested as an explanation. The natural history of several species is reported for the first time since their original discovery.

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Section: Boliviensismentioning

confidence: 99%