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The Secret Perfume of Birds: Uncovering the Science of Avian Scent–A Book Review

10,000 Birds

One of Whittaker’s first experiments was to place other birds’ preen oil on the nests and eggs of Dark-eyed Juncos. It also, it turns out, contains ‘volatile compounds’ (“small chemical compounds that have a tendency to vaporize at room temperature”, p. 241) that contribute to a bird’s odor.

Science 236
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Birds of the Northern Forest – An homage

10,000 Birds

It depicted a Common Loon ( Gavia immer ) sitting on eggs on a seemingly crude nest. Livingston, and on the dust jacket was a drawing of three Pine Grosbeaks ( Pinicola enucleator ) standing on a cone-bearing tree. Common Loon ( Gavia immer) This was a different artist. It caught my full attention and entranced me. tridactylus).

Birds 229
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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

In North America, you’ve got Bears at the large end, Cats in the middle, and at the smaller end, the Mustilids. It is probably true that there is a near 100% overlap in the rodents and other small terrestrial animals, as well as ground bird eggs, eaten by Coyotes and feral Cats. Plus, Coyotes eat Cats.