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Fig. 1. The least weasel, Mustela nivalis, in summer pelage (from captive population, Department of Biology, University of Arkansas-Little Rock). Photograph by G. Heidt.
Fig. 2. Cranium of Mustela nivalis in dorsal, ventral, and lateral views, and mandible in lateral view from the Zoological Institute, Academy of Sciences of the USSR, Moscow (from Novikov, 1956). Greatest length of cranium is approximately 35 mm (52 mm for the species).
Fig. 3. Geographic range of Mustela nivalis (New Zealand not shown). Numbers of Palaearctic type localities and Nearctic subspecies with type localities are given: 1, M. n. allegheniensis; 2, M. n. boccamela; 3, M. n. campestris; 4, M. n. eskimo; 5, M. n. namiyei; 6, M. n. nivalis; 7, M. n. numidica; 8, M. n. rixosa; 9, M. n. subpalmata; 10, M. n. vulgaris. (Modified from Corbet, 1978; Hall, 1981; and King, 1989b.) |
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