Breeding Endangered Species Fur North America 
10,000 Birds
MAY 11, 2012
John Bachmann headed west to gather material for Viviparous Quadrupeds of North America. Somewhere around the Platte River one of the Audubon boys received a black-footed hide from a fur trader. When the South Dakota ferret numbers began dropping, they captured nine animals in hopes of starting a captive breeding population.
10,000 Birds
SEPTEMBER 9, 2014
Kirtland’s Warbler is a classic niche species; they breed in only very specific conditions, which occur in only a very specific area. That is a big difference compared to the 2,000+ singing males detected in 2012, well above the recovery goal for this species set by the U.S. this species breeds.
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