Breeding Endangered Species Science Trends 
10,000 Birds
JULY 10, 2012
More than 150 bird species are known to have become extinct over the past 500 years, and many more are estimated to have been driven to extinction before they became known to science. The Gray Crowned-Crane is a new addition to the list of the world’s Endangered species, creeping up a category from Vulnerable.
10,000 Birds
MAY 8, 2018
More than 50 years ago, the Hawaiian Goose (Nene) was one of the first birds listed under the Endangered Species Act, part of the inaugural “ Class of 1967 ”. Fish and Wildlife Service has proposed downlisting it from “endangered” to “threatened.”. Due to substantial improvements in its population and its prospects, the U.S.
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