present participle of work one's tail off

A small opossum, Monodelphis domestica, native South American rain forests, especially in Brazil, Paraguay, and Bolivia.

Cheirogaleus medius, one of the smallest primates, native to Madagascar, the only primate known to truly hibernate, which it does during Madagascar's dry season.

plural of fat-tailed dwarf lemur

plural of cat-o'-nine-tails

A large cockatoo, Calyptorhynchus funereus, native to southeastern Australia.

plural of yellow-tailed black cockatoo

Alternative form of chase one's tail

An Old World monkey of the species Macaca nemestrina, native to Borneo, Sumatra, and the Malay peninsula.

To be confident, spirited.