10,000 Birds

JANUARY 7, 2020

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. The first three sections are brief, presenting a summary of the bird’s current NYC status (migrant, resident, breeder, vagrant, etc.), It’s a very mixed chapter.

New York City 146

New York City New York Birds Breeding 146

10,000 Birds

FEBRUARY 20, 2023

If you have always wondered what the minimum anesthetic concentration for isoflurane and sevoflurane for the Crested Serpent-eagle is, science has an answer. The breeding ecology of the Yellow-bellied Warbler was actually studied exactly here at Nonggang in 2019 by 3 Chinese researchers. So you just have to look at the photos for once.

China 217

China Birds Pythons Eagles 217

10,000 Birds

FEBRUARY 18, 2014

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. …because cooperative breeding facilitates defense against brood parasites.

Breeders 195

Breeders Breeding Birds Groups 195