Dall's Sheep
Ovis dalli
Description A small bovid. White above and below, often with yellowish or brownish cast; hooves yellowish brown. Horns of ram massive, light yellow, with well-defined growth rings flaring out and away from head; about 3' (90 cm) long, with 4'1" (1.25 m) the largest recorded size; horn spread to 3' (90 cm). Ewe's slender spikes less than 15" (38 cm) long. In southernmost part of range, black phase individuals, known as "Stone Sheep," vary from charcoal gray verging on black to light gray or gray brown; in Yukon, where Dall's and Stone phases intergrade, gray phase individuals are usually darker on back, occasionally with dark "saddle"; these sheep have
white belly, rump patch, back of legs, and facial blaze; dark hooves; and are often slightly bigger than Dall's Sheep, with slightly heavier horns. Ht male 33-41" (83-105 cm), female 30-36" (75-90 cm); L male 4'5"-5' (1.34-1.53 m), female 3'5"-4'5" (1.05-1.35 m); T male 3 1/2-4 1/2" (8.9-11.5 cm), female 3-3 1/2" (7.5-9 cm); HF 15-20" (38-51 cm); Wt male 174-200 lb (79-91 kg), female 100-125 lb (45-57 kg).
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