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Costa Rica’s Best Birds of Halloween

10,000 Birds

This is why the Yellow Warblers and Baltimore Orioles of summer don’t linger to experience October 31st, and even late fall migrants like kinglets and sparrows move to slightly warmer regions. Lacking the benefit of heated shelters, birds must heed that warning or perish. Spectacled Owl. Hummingbirds.

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The Incredulous New Caledonian Crows

10,000 Birds

Even among our primate relatives, whoa are generally very smart, “Theory of Mind” is found in only a few species. The researchers set up a feeding box from which a Crow might attempt to extract food, and placed near the box sticks that these tool-using birds could use to extract the food.

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The Evolution of Beauty: How Darwin’s Forgotten Theory of Mate Choice Shapes the Animal World – and Us: A Book Review

10,000 Birds

Utilizing a mixed bag of human and primate sex studies, literature, myth, and the Old Testament, Prum muses on the evolution of the penis, the female orgasm, male-female sexual conflict and same-sex relationships. Much of this, as Prum himself admits, is speculative and it is far less compelling than the ornithological chapters.

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