10,000 Birds

DECEMBER 4, 2018

Even more than warbler, shorebird, and sparrow identification, this is a field that tests our endurance (gull watching is too often done in bitter cold, windy conditions), patience (even getting one good photo can take hours as you try to separate the ‘interesting gull’ from the flock), observational skills (so many plumages!)

North America 198

North America El Salvador America Nicaragua 198

10,000 Birds

MAY 19, 2015

Similar comparisons can be made with other bird features such as how their hips work. In order to test the mechanism, we used inhibitors of both pathways to replicate in chicken the ancestral amniote expression. This permitted the identification of an autapomorphic median gene expression region in Aves.

Alligators 211

Alligators Chickens Research Reptiles 211

10,000 Birds

DECEMBER 15, 2015

We experimentally tested this hypothesis by assessing the response of wild-caught and captive-bred cage birds facing an approaching predator and their ability to escape from human capture, using species available in the Spanish pet market.

Birds 119

Birds Research Pets Hunters 119

Animal Ethics

OCTOBER 9, 2009

The comparison to Nazi marches and racist hate speech fails to acknowledge a critical distinction—speaking out in favor of criminal activity versus the carrying out of criminal acts. Christopher Anne Affleck Cambridge, Mass., In the case of dogfighting and “crush videos,” cruelty is not just promoted, but staged. Lawrence A.

New York Times 40

New York Times New York Animal Cruelty Cruelty 40

10,000 Birds

MAY 19, 2011

Some of the first solid research pointing to a magnetic sense of some sort in birds was being produced at that time, and there were even people testing humans for a similar ability. 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.

Compassion 190

Compassion Humane Research Egypt 190

10,000 Birds

JULY 16, 2020

I particularly like the large falcons and the two-page spread giving you a chance for easier comparisons. Another plus are the Peterson-style arrows pointing to the main ID features. Here treated as a subspecies Falco cherrug altaicus , the Altai Saker Falcon got a separate entry from the Falco cherrug. cherrug milvipes or hybrid between F.

Mongolia 271

Mongolia Falcons 2019 Birds 271

10,000 Birds

JANUARY 19, 2012

The Elk-songbird comparison clearly exposes a difference between mammals and birds, and it exposes differences in the symmetries between male and female parental investment. In some birds (and we’re looking beyond songbirds here) the females spend most of their time on the nest while the male brings food.

Mammals 163

Mammals Eggs Abandon Abandoning 163

10,000 Birds

SEPTEMBER 7, 2021

There is much to enjoy and appreciate here and I only wish I could have tested out some of these species accounts in pelagic waters before writing about them (sadly, the 10,000 Birds pelagic to Antarctica was canceled this year). .; Houghton Mifflin, U.S.), SCOPE & SPECIES ORGANIZATION.

Albatross 279

Albatross Penguins Family Groups 279

10,000 Birds

NOVEMBER 28, 2013

Air Force test runs in breaking the sound barrier, nearby turkeys dropped dead from sudden cardiac arrest. Turkeys also have a long, red, fleshy area that grows from the forehead over the bill called a snood. This is not to be confused with the highly addictive computer game with the same name. Turkeys can have heart attacks. During U.S.

Turkey 241

Turkey Bald Eagle Game Alaska 241