The Guam rail (Hypotaenidia owstoni) is a species of rail endemic to the Island of Guam, where it is known locally as the Ko'ko' bird. The Guam rail disappeared from southern Guam in the early 1970s and was extirpated from the entire island by the late 1980s.

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Wyoming Toad
These are considered extinct in the wild until captive breeding and release programs are not needed. Biggest threat is the fungal disease chytridiomycosis. Only 2" long.

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Spix's Macaw

I am going to do a week of parrots as a mini-series

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Polynesian Tree Snail

Some varieties of this snail still remain in the wild, but many do not.

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