1. The Carolina parakeet was a parrot that lit up backyards everywhere.

2. They look very similar, but the Carolina Parakeet is extinct.

3. It was extinction by dilution, and to the ornithologists it was just as tragic as the more dramatic demise of the passenger pigeon or the Carolina parakeet.

4. You can do the same thing, as the costs come down, for the Carolina parakeet, for the great auk, for the heath hen, for the ivory-billed woodpecker, for the Eskimo curlew, for the Caribbean monk seal, for the woolly mammoth.

5. You can do the same thing, as the costs come down, for the Carolina parakeet, for the great auk, for the heath hen, for the ivory- billed woodpecker, for the Eskimo curlew, for the Caribbean monk seal, for the woolly mammoth.