Eggs Free Range Raised United States 
10,000 Birds
JUNE 3, 2020
But when raised, they seem to have a sort of weird cape. In other words, they never raise their own young. Instead, they lay their eggs in other species’ nests, and let those nest-making birds (often significantly smaller than the cowbirds) raise their young. So that is a negative mark on both their records.
10,000 Birds
JULY 22, 2014
I once knew a guy who kept and raised cats. Free-ranging domestic cats have been introduced globally and have contributed to multiple wildlife extinctions on islands. Here we conduct a systematic review and quantitatively estimate mortality caused by cats in the United States. But they don’t live in North America.
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