a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
noun 1. any of several small, diurnal owls of the genus Glaucidium, that feed chiefly on insects.
- Pygmy possum
noun 1. any of various small Australasian marsupials, esp the burramys
noun 1. . noun 1. a weasel, Mustela nivalis, of northern regions, that grows to a length of about 6 inches (15 cm).
[pahy-guh-stahyl] /ˈpaɪ gəˌstaɪl/ noun, Ornithology. 1. the bone at the posterior end of the spinal column in birds, formed by the fusion of several caudal vertebrae.