10,000 Birds

JULY 7, 2020

This is a delightful book, large (8-1/2 by 11 inches), filled with Sibley’s distinctive artwork and an organized potpourri of research-based stories about the science behind bird’s lives. Most importantly, this section provides an entry point to the major Portfolio of Birds section; each fact is followed by a page reference.

2020 264

2020 Birds Groups North America 264

10,000 Birds

MAY 23, 2023

Birders often play a vital role in monitoring bird populations, contributing data to scientific research, and participating in citizen science initiatives that help track bird distributions, migration patterns, and breeding behaviors. They contribute to scientific research, conservation efforts, and the enjoyment of birding as a hobby.

United States 147

United States North America Birds America 147

10,000 Birds

JULY 4, 2022

As with Chinese male humans, having your own building is still vital to raising young. There was a breeding pair at Binjiang Forest Park this June. While I kind of like the species, to be honest, I only included it in this post to make references to two songs. Most scientific research really just proves the obvious.

Birds 197

Birds Sparrows Protection Humane 197

10,000 Birds

JUNE 9, 2022

If I was an ornithologist aiming for a grant, I would now definitely highlight the need for more research on this topic. … Nest dismantling by the Hair-crested Drongo may be an adaptive behavior to increase fitness by reducing risk of future predation and competition for nest sites in the following breeding season” ( source ).

Singapore 147

Singapore Birds Mountain Goats Giraffes 147

10,000 Birds

NOVEMBER 20, 2012

Thus, the cattle we raise for meat and dairy are sometimes called Bos taurus while the extinct wild form is always called Bos primigenius. Some time after the Spanish encounter with the Turkey, birds were brought back to Europe where they were raised and became an important source of food and fancy feathers.

Turkey 210

Turkey Columbus Spain Fowl 210

10,000 Birds

MARCH 15, 2011

Over the next few days, the Alpine Accentors ( Prunella collaris ) will arrive on their high-Alpine breeding grounds – it is time to start singing, despite that the treeless Alpine landscape is still under metres of snow. all Alpine Accetor photos digiscoped (c) Dale Forbes. all Alpine Accetor photos digiscoped (c) Dale Forbes.

2011 221

2011 Breeders Breeding Deer 221

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

MARCH 3, 2020

The source of this ranking, BirdLife International, lists Bolivia as currently having 1,439 bird species, including 18 breeding endemics. Each species is numbered, with the numbers referring to the illustrations on the right. That’s pretty amazing–Bolivia has more bird species than India!

Bolivia 181

Bolivia Birds Brazil Switzerland 181

10,000 Birds

NOVEMBER 30, 2018

So, while waiting for evolution to produce new birds for our life lists is inadvisable, we sometimes catch a break and every few years get a new species or two when some genetic research or study of breeding distribution presents enough evidence to split what was once considered a single species into a few new ones.

Ohio 113

Ohio India Hawaii United States 113

10,000 Birds

JUNE 2, 2015

Third, observing and photographing breeding birds and their young have become acts of ethical confusion as birders, photographers, and organizational representatives debate the impact of our human presence on the nesting process. Some people love books like that. Northern Flicker eggs in nest and nestlings.

Eggs 263

Eggs Family 2006 New York 263

10,000 Birds

SEPTEMBER 9, 2014

He reasons out answers to both questions, finally stating that, despite what many eyewitnesses wrote, the birds had to have laid more than one egg and that the birds had to have nested more than once a breeding season. Or the destruction of the forests, food source and breeding grounds. Or spend enough money.

2014 161

2014 Killing Michigan Kentucky 161

10,000 Birds

MAY 19, 2011

Way back when I started what turned out to be my thesis research (on humans), it became important for me to learn about bird migration. I was involved in the study of human movement and navigation on land, and there was a lot of research coming out about bird navigation. Another question this raises has to do with migration itself.

Research 201

Research Humane Compassion New York 201