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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

I once knew a guy who kept and raised cats. I new him because we enlisted his Dryfus Lion and one of his tigers to carry out experiments with bones (this is something archaeologists do). Dogs are similarly dispersed across size ranges, with Foxes, Coyotes, and Wolves taking prey across different parts of the size range.

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What It’s Like to Be a Bird: A Review of the New Sibley Book

10,000 Birds

This section gives brief descriptions of the birds painted in the Portfolio section, sometimes elaborating on the behavior portrayed in the portrait (the advantages of flying at night for White-crowned Sparrow), sometimes giving additional facts of interest with a small dollop of humor (Greater Roadrunners are not in a perpetual war with coyotes).

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