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The Gawky Guillemot

10,000 Birds

There is indeed little good that can be ascribed in retrospective to this period, and the little good there is pales in comparison to the bad things. However, these breeding colonies were not always German breeding colonies. Spending the winter far out at sea in the Arctic when you are a bird barely larger than a feral pigeon?

Germany 100
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How many birds are killed by windmills and other green energy projects?

10,000 Birds

According to the US Fish and Wildlife Service , there are about 10 billion breeding birds in the US. The maximum population size may be closer to 20 billion in the fall, and 10 billion at the start of the Spring breeding season. Also, the comparison with cats is not particularly relevant.

Killing 274
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ABA Field Guides to Birds of Colorado and Florida

10,000 Birds

As a consequence, two of the Empidonax Flycatchers, Willow and Least, are separated from the other four covered by the guide (Dusky, Hammond’s, Cordilleran, Gray), making it difficult to do comparisons of these very similar looking species. Any more species, and I think beginners would be overwhemed and confused.

Colorado 253