Remove TEST
Remove Research Remove Science Remove Species
article thumbnail

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 181
article thumbnail

Our Favorite Bird Books (and one pair of Binoculars) of 2022

10,000 Birds

Here are ten titles (it could have been more) selected for their uniqueness, excellence in writing and research, and giftability. Lees and Gilroy delineate vagrancy status and trends for every bird family worldwide, highlighting examples, synthesizing research, and framing it all with their own thoughts and conclusions.

Sri Lanka 234
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

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
article thumbnail

How The Bird Got Its Beak

10,000 Birds

The feature distinguishes birds from other species; All birds have them, no other species do. Beaks vary across different kinds of birds, and this great diversity in beaks is part of the great diversity of the 10,000+ species of birds that exist today; Beaks thus facilitated the diversification of birds. So how did beaks evolve?

article thumbnail

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’ detailed delineation of problems with the accuracy of NYC breeding bird surveys or with the limits of historical writings may test a reader’s patience. Most birders will go straight to the “Species Accounts.”

article thumbnail

Pigeons have tiny compasses in their heads

10,000 Birds

One researcher tested British school children to see if they could find their way home by driving them blindfolded, in a bus, out into the country and asking them to point their way home. The same researcher then did the same thing but with big magnets strapped to the children’s heads. Le-Qing Wu and J. If not, why not?

article thumbnail

Licking Clay: the Macaws of Tambopata, Peru

10,000 Birds

UNLESS that is you get yourself down to the internationally-renowned Tambopata Research Centre in southern Peru where literally hundreds of macaws (and other parrots) congregate around a 50 meter high clay bank. These threats are further exacerbated by the naturally low reproductive rates of these cavity-nesting birds.

Peru 255