1.   The remaining specimens were examined histologically.

2.   Federal biologists say they worry that enthusiasts will troop to the site and capture the few remaining specimens.

3.   For some species, the few remaining specimens could be caught up in the slaughter of hundreds of thousands of animals in efforts to contain the virulent livestock disease.

4.   For some breeds, the few remaining specimens could be caught up in the slaughter of hundreds of thousands of animals in efforts to contain the virulent livestock disease.

5.   One of the few remaining specimens of a bird considered on the verge of extinction died Tuesday, dimming hopes the species can survive.

6.   The last remaining specimen of a Polynesian tree snail -- one of the slowest movers on earth -- has died, The Times reported Wednesday.