| It would appear that one of Earth's rarest bird species might have gone extinct. |
| Those who brandish or discharge firearms in a public place would, in all but the rarest cases, be locked up. |
| Bechstein's, Daubenton's and barbastelles are the rarest of British bats and all occur here. |
| It is only the rarest few who have come to earn this privilege in past lives. |
| The Javan rhinoceros is often called the rarest large mammal on earth and perhaps the most endangered. |
| The whooping crane, named for its loud and penetrating mating call, is one of America's best known and rarest endangered species. |
