Hiser, Iona Seibert. The bighorn sheep. [electronic resource] / Illustrated by Nancy McGowan.. — Austin, Tex., : Steck-Vaughn Co., [1973]. — 30 p. : illus. (part col.) 24 cm. — (Endangered animals)(Steck-Vaughn wildlife series).
Анотація: Describes the physical characteristics, various species, and habits of the bighorn sheep and discusses the need to save them from extinction.