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Heat in the Tropics

10,000 Birds

Perhaps his first attempt at raising a family – I’ll be checking on him in a few days! Some birds chose to sit quietly together, perhaps getting to know each other’s quirks and habits before settling down to raise a family. A young male Swallow Tanager holding a bit of nesting material. Laughing Gull.

Raised 264
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Seabirds: The New Identification Guide: An ID Guide Review

10,000 Birds

There is much to enjoy and appreciate here and I only wish I could have tested out some of these species accounts in pelagic waters before writing about them (sadly, the 10,000 Birds pelagic to Antarctica was canceled this year). SCOPE & SPECIES ORGANIZATION. It covers 434 species across 9 orders and 18 families of birds.

Albatross 279
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Here’s the new bird family tree. It’s amazing.

10,000 Birds

processed the entire genomes of 48 bird species and compared nearly 42 million base pairs of DNA (Hackett et al. ’s bird family tree in a new tab and follow along as you read. Now we move on to the Neognathae , which also has two very deep branches that lead to all the other living species of birds. Jarvis et al.

Family 279
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Backyard Beneficiaries

10,000 Birds

Now I’m no gardener – but I also trust the natural process. With that logic those trees, if left to grow, should produce something of use to at least one or two species of birds. The first sign of any positive effect was the appearance of several species of butterflies I hadn’t previously noticed.

Opossums 264
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A Strategic Arms Race Among Birds

10,000 Birds

The vast majority of the 10,000+ living species of birds are passerines, and the vast majority of those have a similar system of breeding: Mom and dad bird make a nest and share parental responsibilities roughly equally, if not identically. In the latter, three or more adult individuals contribute to the raising of offspring.

Breeders 206
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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

Pough “with illustrations in color of every species” by Don Eckelberry, Doubleday, 1946. If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. The press material says it covers over 800 species, so you know I had to do a count.

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Grouse in PA, Grouse in Costa Rica

10,000 Birds

Even so, he still knew many species and always yearned to learn about the wildlife he encountered. Groups them by family too and by their shape” His extra long arm extended and passed me that precious book. The remaining four species are the most grouse-like of the bunch. “Check it out!”