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The origins of tanagers, warblers, and sparrows are coming into focus

10,000 Birds

The authors argue that most major groups, including the sparrows, wood-warblers, blackbirds, and cardinals then diversified in North America and subsequently colonized South America in a series of overwater (before the Isthmus of Panama had formed) or overland dispersal events. The paper is by leading researchers F.

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How Birds Evolve: What Science Reveals about Their Origin, Lives, and Diversity: A Book Review by a Non-Science Person

10,000 Birds

He also believes that we are living in an era of incredible scientific research, one in which new genetic technology and findings from diverse scientific disciplines have turned assumptions upside down, opened up new lines of thought, and provided answers, or at least probable answers, to many of our questions about why birds do the things they do.

Science 225
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Is the White-naped Xenopsaris Migratory? or The Limits of Citizen Science

10,000 Birds

The White-naped Xenopsaris is a member of the Tityra family (Tityridae), a newish family of mostly South American birds carved from various oddball birds formerly lumped with the manakins, the tyrant-flycatchers and the cotingas. ” I can’t just put this into Wikipedia – it’s original research.

Science 110
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Birds of Chile – A Photo Guide

10,000 Birds

Guiding aside, Howell is a research associate at the California Academy of Sciences and the author of many books, including Petrels, Albatrosses, and Storm-Petrels of North America (Princeton). Birds of Chile – A Photo Guide has 240 pages and more than 1,000 photos accompanied by a brief text to make bird ID easy.

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Not enough Woodpeckers

10,000 Birds

The HBW entry for the Downy Woodpecker (Reno, USA) illustrates a common phenomenon – apparently, the more a species is known, the more subjects for further research pop up. The Ground Woodpecker (Drakensberg, South Africa) is listed as Near Threatened. Kind of like a diesel version.

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Arizona, or Central Mexico?

10,000 Birds

A quick study as I researched this post revealed that fully 37 Arizonan “specialties” are common birds right here where I live. So the only Patagonia I would choose to visit in the future, is the Patagonia to be found at the southern end of South America. Consider the striking Berylline Hummingbird.

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The Blackbird that is a Meadowlark – Red-breasted Blackbird in Trinidad

10,000 Birds

In the new world all meadowlarks and blackbirds, along with grackles, cowbirds, orioles, oropendulas, and some others, are members of the family Icteridae , the New World Blackbirds. It was on the island of Trinidad, at the Aripo Agricultural Research Station, where all of these photographs were taken. Blackbirds are blackbirds.