10,000 Birds

JUNE 24, 2021

One Oriental Pratincole of them was courageously raising its wings when I unknowingly drove towards its eggs – I reversed, but I am not so sure about the next person using that road … Being yelled at by the chick of an Oriental Pratincole. The birding life.

Birds 230

Birds Uganda Breeding Rats 230

10,000 Birds

FEBRUARY 18, 2014

In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. In the latter, three or more adult individuals contribute to the raising of offspring. Science (New York, N.Y.), doi:10.1126/science.1240039. Somveille, M.,

Breeders 210

Breeders Breeding Birds Groups 210

10,000 Birds

AUGUST 1, 2022

I have written about the interesting sex life of these jacanas a few times already (short version: female mates with male, lays a bunch of eggs for him to incubate and raise the chicks, leaves him, finds another male, repeat). But it is all for science, I hear them say. but they do. See the sequence below.

Birds 147

Birds China Eggs Breeding 147

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. As you can easily judge from the dullness of this information, it is not something I made up but rather an appalling example of nepotism in the naming of birds.

China 242

China Birds Pythons Eagles 242

10,000 Birds

AUGUST 21, 2012

In this way, the cuckolding Cuckoo can convince its cuckoldee, the Reed Warbler, to back off when the Cuckoo comes around, allowing the Cuckoo to toss out one of the Warbler’s eggs and replace it with one of its own, to be raised by the hapless Warbler parents. Science 3 August 2012: 578–580 a.

Hungary 175

Hungary 2012 Science Eggs 175

10,000 Birds

JULY 18, 2012

A few families have a small number of eggs in the clutches, like gulls or cormorants. Others, like the petrels and some of the auks, will lay a single egg per breeding attempt. Unique among the auks, indeed among seabirds, they will attempt to double brood, to lay another clutch after successfully raising the first chick.

Eggs 166

Eggs Puffins Breeding Raised 166

10,000 Birds

JUNE 1, 2021

If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. The photographs are from VIREO, the ornithological image collection associated with the Academy of Natural Sciences of Drexel University, which licenses bird photographs to many guides and reference books.

North America 279

North America America Birds California Condor 279

10,000 Birds

JULY 3, 2012

As a Northeast birder I am familiar with the alarming decrease in the number of Red Knots along Atlantic shores and have signed petitions and written e-mails calling for legislation and rules that will limit the overharvesting of the horseshoe crab, whose eggs Red Knots depend on. million in the late 1990’s. Should the gulls be controlled?

Delaware 183

Delaware New Jersey Research Eggs 183

10,000 Birds

SEPTEMBER 9, 2014

This bit of science is a nice final counterpoint to an account that has emphasized art, history, and literature. He effectively brings his point across by presenting facts and images and a little bit of hard science. How many eggs did a pigeon lay? I think this is one of the reasons I enjoy reading his books.

2014 161

2014 Killing Michigan Kentucky 161