- 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