noun.

• a moralizing work on the appearance and habits of animals.
• a series of drawings by donny nguyen.

• A species is
• extinct when none if its individuals remain
• extinct in the wild when its individuals remain only in captivity
• endangered when its individuals are at high risk of extinction in the wild
• vulnerable when its individuals are at high risk of endangerment in the wild
• threatened when there is a likelihood of endangerment in the near future