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Some Hokkaido Winter Passerines

10,000 Birds

Given how far Hokkaido is from Europe, it seems a bit surprising how many bird species wintering on this Japanese island have a name starting with “Eurasian” Or how many of these species I have also seen in my parents’ garden in Germany. In science speak, this is named the optimal body mass hypothesis.

Iran 172
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Birding Shanghai in January 2023

10,000 Birds

I tried to get a better idea of what exactly the definition of cuckoo-dove is but am still not very clear about it – Wikipedia only offers the rather formal definition “any of several species of bird in the genera Macropygia , Reinwardtoena, and Turacoena of the pigeon family.” But I may well be wrong.

Geese 147
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Solid Air: Invisible Killer Saving Billions of Birds From Windows–A Book Review

10,000 Birds

The first half describes the problem (why birds hit windows, the scale of the deaths, scientific research, what happens when birds strike windows) and the second half discusses what to do about it (community and worldwide education, window deterrent solutions, legal mandates and building codes, citizen science–what individuals can do).

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“Understanding Animal Behaviour” by Rory Putman

10,000 Birds

This non-technical book is a development from a series of lectures, tried and tested in numerous adult education courses given to non-specialists. Cactus finch, Geospiza species. Galapagos cactus finch, Geospiza species. “Understanding Animal Behaviour” by Rory Putman. Blackcap, Sylvia atricapilla.

Animal 115
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The Parable of the Goat Mites

10,000 Birds

And so, these goats ate the flora of the island: unique species of Indian paintbrush and woodland star, bushmallow and wirelettuce and morning glory. Also, they were infested by a species of ear mite unknown to science. And so, the goats grew small and nimble, shy and drought-tolerant, through natural selection.

Goats 160
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Urban Ornithology: 150 Years of Birds in New York City–A Book Review

10,000 Birds

The book is divided into three parts: “Introduction,” “Avifaunal Overview,” and “Species Accounts.” The authors trace the creation of swamps, wetlands, and meadows by farmers, and then the destruction of wetlands by the building of golf courses, the loss of meadows by the construction of train tracks. It’s a very mixed chapter.

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A Question of Migration

10,000 Birds

Even if you don’t live in the summer range of a particular species, you may have opportunities to observe it while it passes through, especailly if you live in an active flyway, like I happen to. Because the ancestor of this species of bird migrated, and the migratory adaptation and all that entails were passed on.