10,000 Birds

JULY 15, 2012

They owe their awful name to the fact that the former holarctic ”Wren” or “Winter Wren” was recently split into several New World and one Old World form, producing the need to add a geographic reference to the new forms’ respective names. But certainly, very certainly, the Baby Wren won’t.

Germany 239

Germany Europe Eggs Birds 239

10,000 Birds

JULY 16, 2013

Formerly known as Jackass Penguins , a reference to their strange braying calls, African Penguins have become the unofficial mascots of marine conservation in the region. On the mainland they face predation from domestic cats, dogs, genets, mongoose and Cape Gulls which steal their chicks and eggs.

Penguins 245

Penguins South Africa Leopards Sharks 245

10,000 Birds

JUNE 22, 2011

Here’s a photo of a House Finch nest before the eggs hatch and the hatchlings start producing fecal sacs. v=fHSgyxRQXvg References: 1 Birds of North America Online _ Poop Week is a week of themed posts on 10,000 Birds that cover the intersection of poop and birding, a fertile precinct if there ever was one.

Bald Eagle 250

Bald Eagle Chickens North America Birds 250

10,000 Birds

DECEMBER 12, 2019

Want to see a bird shaped like an egg? However, there are only two lyrical references to birds in the National song catalog, and they are both somewhat generic (“Out of my league, I have birds in my sleeves” in”Squalor Victoria” and “Bird that flys out of order underneath the sky” in “29 years” – the latter is not a bad line).

Malaysia 242

Malaysia Birds Asia Morals 242

10,000 Birds

JUNE 18, 2014

The featured image above shows a female incubating eggs from my first resident breeding pair back in 2007. The four to six eggs are white and unmarked. It’s not as clear as the photo of the eggs above but I did not want to disturb the female as she was circling the nest to resume her duties.

Eggs 168

Eggs North America 2007 Woodpeckers 168

10,000 Birds

SEPTEMBER 6, 2022

They may be about bird eggs ( The Most Perfect Thing: The Inside (and Outside) of a Bird’s Egg , 2016), or a 17th-century ornithologist ( Virtuoso by Nature: The Scientific Worlds of Francis Willughby, 2016), or How Bullfinches learn songs from humans ( The Wisdom of Birds: An Illustrated History of Ornithology.

Dissection 259

Dissection Birds Europe Eggs 259

10,000 Birds

MARCH 11, 2024

This laughingthrush is a cooperative breeder – nestlings are fed by all members of a group, often 6-12 (not just 2 as in Wham!): “A female may share a nest with another, and 3 or more adults may take turns incubating the eggs and feeding the chicks.” ” ( source ). The male is, indeed, rather a handsome Thrush.”

Burma 240

Burma India Indonesia Thailand 240

10,000 Birds

JULY 4, 2012

The female alone incubates the usual 4 to 6 eggs for about two weeks beginning the day the last egg is laid. Here you can see two chicks have already hatched, one egg is split open with the chick ready to emerge and one egg has a hole in it pipped by the chick from the inside. i Kamakawiwo?ole’s

Washington 201

Washington Eggs Israel California 201

10,000 Birds

OCTOBER 10, 2012

Today, the species has all but disappeared east of the Mississippi River and has declined in western parts of its range, most likely caused by the expansion of the House Wren which destroys and removes their eggs from nest sites 1. References: 1 Birds of North America Online. This is what I am used to seeing.

Mississippi 174

Mississippi North America Eggs America 174

10,000 Birds

OCTOBER 4, 2021

Hints of potential warming in the HBW species description: “Date of first egg-laying on Honshu now 7 days earlier than it was 25 years ago” There are also quite a few Cuckoos. It certainly does not refer to the status of Nanhui. At least, I managed to get a The National reference into the blog eventually.

LACS 262

LACS Birds France Japan 262

10,000 Birds

FEBRUARY 25, 2013

Occasionally the Tristan Thrush Nesocichla eremita will prey upon chicks from the two-egg nest of the Inaccessible Island Rail but this not enough in any way to threaten the species. Its eggs are not known, it does not migrate, and it feeds, I understand, on insects and worms.

Science 235

Science Transported Shelters South Africa 235

10,000 Birds

DECEMBER 7, 2011

The female chooses the nest site, builds the nest, lays around 10 eggs over a two week period and incubates them for about a month. References: 1 Birds of North America Online a. entrance hole. The male seldom sticks around once the female begins incubation. The young are born precocial and leave the nest within 48 hours.

Jordan 175

Jordan North America Abandon Abandoning 175

10,000 Birds

JANUARY 3, 2023

References to plate numbers (in the Plates section) and photograph numbers (in a Photo Gallery) are also placed prominently next to species name. There is also ample reference material in the front and back of the guide. Harrison, and Nests, Eggs, and Nestlings of North American Birds, 2nd ed. Baicich and Colin J.

Wildlife Rehabilitation 288

Wildlife Rehabilitation Family Birds Collecting 288

10,000 Birds

SEPTEMBER 9, 2015

The nickel was placed in the nest for the photo to show me the size of the egg for identification purposes, then removed. Even though the female lays only two eggs per nest attempt, they enjoy a protracted breeding season in which multiple nesting attempts can occur every 30 days, and in Southern locations, nearly year round.

Hunters 197

Hunters Hunting North America Game 197

10,000 Birds

NOVEMBER 2, 2021

The “Owls and Albatrosses” chapter, for example, begins with Doug’s personal experiences observing of the nesting strategies of Malleefowl and a Moluccan Megapode, Australasian “chickens who lay their eggs in unusual ways and do not parent. The text itself refers to the plates in all the appropriate places.

Science 245

Science Albatross Owls Research 245

10,000 Birds

JANUARY 2, 2024

Hauber Hauber’s mini-essays focus on specific behaviors, enhanced by references to recent research yet written in a relaxed, personal way. of Chicago Press, 2014). He has spent time studying and teaching in New Zealand and more recently in Germany, which explains some of the bird choices in this book.

Barn Owls 226

Barn Owls Chicago Penguins New Zealand 226

10,000 Birds

JUNE 16, 2011

Neornithes together with some now extinct close relatives to the modern birds is referred to as Avialae. One of the most interesting differences between birds and dinosaurs has to do with their eggs. In words, modern birds are called Neornithes. A larger group that includes Archaeopteryx, is called Aves.

Birds 271

Birds Marsupials Primates Whaling 271

10,000 Birds

NOVEMBER 27, 2022

I understand you may well not be able to see the nest clearly in the photo above and here is the same photo with it circled for reference. We could see there was a marker we could use to go by the nest from a distance and establish if they were cooling eggs or chicks. Little Tern nest.

Breeding 162

Breeding Taiwan Asia Australia 162

10,000 Birds

OCTOBER 7, 2015

They normally lay 3 to 4 eggs per clutch. References: Audubon California 1. Here is a photo of their nest which is built by the male and female, of material brought from under water, the surface, or emergent vegetation, usually near the nest. What a great bird! www.youtube.com/watch?v=ZbRrxw-H6xA. v=ZbRrxw-H6xA.

California 145

California North America Eggs America 145

10,000 Birds

FEBRUARY 29, 2012

Within a group, 1–7 male co-breeders compete for matings with 1–3 joint-nesting females who lay their eggs in the same nest cavity. References: 1 Birds of North America Online a. Most Acorn Woodpeckers are cooperative breeders and live in family groups of up to a dozen or more individuals.

Woodpeckers 194

Woodpeckers Breeders North America Groups 194

10,000 Birds

OCTOBER 21, 2015

Isla Rasa was declared a sanctuary in 1964, and egg-collecting and disturbance during the breeding season are discouraged. References: 1 Birds of North America Online , 2 BirdLife International. Heermann’s Gulls form large breeding colonies on arid islands in the Gulf of California, Mexico, from March through July. v=FUBX_tlHySc.

San Francisco 161

San Francisco North America Seals Sanctuary 161

10,000 Birds

NOVEMBER 3, 2020

When we come to Gentoo Penguin again in the South Georgia chapter, for example, we’re referred back to its first appearance in Antarctica, utilizing the outline numbers.). The full-length species accounts are not repeated. It’s an unorthodox arrangement that can be confusing when you first open the book.

Penguins 279

Penguins Georgia Albatross New Zealand 279

10,000 Birds

AUGUST 29, 2014

To civilians who may have been puzzled by the wildlife crowd’s tossed-off references to peefas, modos or mice cubes, here is a beginner’s guide to Rehabberspeak. Maureen Eiger categorizes any unidentifiable featherless nestlings as “ Tufted Puffins ;” to Letitia Labbie, they’re “Eggs With Legs.”.

Wildlife Rehabilitation 258

Wildlife Rehabilitation Wildlife Mice Vet 258

10,000 Birds

AUGUST 13, 2014

References: 1 Birds of North America Online. This is an excerpt from that report: “Because much native nesting habitat has been converted to agriculture and stored grains provide an essentially limitless food resource, tricolors have since the 1980s nested in large numbers in association with dairies.

Blackbirds 204

Blackbirds California 2014 Sacramento 204

10,000 Birds

SEPTEMBER 24, 2014

” Since there is no sexual dimorphism between the male and female Bank Swallow you really can’t tell them apart until they begin incubating eggs, at which point the female will have a brood patch and the male will not. References: 1 Birds of North America Online.

North America 202

North America 2014 California America 202

10,000 Birds

JULY 1, 2015

When I first approached the nest tree I saw an adult squirrel climbing the snag near the sapsucker entrance and, knowing that squirrels will eat bird eggs and nestlings, I was quite concerned. References: 1 Birds of North America Online. Click on photos for full sized images. It should be here later today.

Squirrels 157

Squirrels Woodpeckers North America Eggs 157

10,000 Birds

JANUARY 28, 2015

During the 1980s, the Pacific Coast Population swans became the source of eggs for several restoration programs in Minnesota, Michigan, Ohio, Wisconsin, and Iowa 2. This video was taken at the Chico Oxidation Ponds where these swans were relaxing with hundreds, if not thousands of ducks. www.youtube.com/watch?v=kq1bx7Ic2FY. v=kq1bx7Ic2FY.

North America 179

North America Iowa Wisconsin Michigan 179

10,000 Birds

JANUARY 7, 2012

Using the ubiquitous Great Egret as a reference, the Goliath Heron is half a meter taller (from bill-tip to toe) and four times as heavy. The clutch of a Goliath Heron would usually consist of 3-4 pale blue eggs that would hatch after about 4 weeks. For this reason it needs huge wings, outspanning the Great Egret by a meter.

Hunting 204

Hunting Battery Raised Adoptable 204

10,000 Birds

MAY 6, 2015

Every spring I look forward to monitoring my bluebird trails when I not only get to watch Western Bluebirds develop from eggs to fledglings, but other cavity nesters as well. References: 1 Eastern Bluebird History. I watched three of the five nestlings fledge but had to leave before the last two left the nest box. v=qxsnESZ2Z6U.

Tenant 162

Tenant Farming Illinois North America 162

10,000 Birds

AUGUST 2, 2022

One of Whittaker’s first experiments was to place other birds’ preen oil on the nests and eggs of Dark-eyed Juncos. There is no bibliography, a References section lists articles by chapter, in the order in which they are discussed in the text. 241) that contribute to a bird’s odor.

Science 259

Science Research Turkey 2006 259

10,000 Birds

JULY 3, 2013

White-headed Woodpeckers usually lay 4 to 5 eggs in a clutch and we’ve seen at least three different nestlings here now. References: 1 Birds of North America Online. Note that the adult always turns its head to the side to accommodate the nestling during the transfer of mainly larvae and adult insects.

Woodpeckers 154

Woodpeckers North America America Eggs 154

10,000 Birds

JUNE 20, 2012

It is illegal for any person to take, possess, transport, sell, or purchase them or their parts, such as feathers, nests, or eggs, without a permit. v=gJma0Szy8R8 References: 1 University of California Agriculture and Natural Resources, Statewide Integrated Pest Management Program, June 2005. I wonder what that’s all about?

San Diego 165

San Diego illegal California South America 165

10,000 Birds

AUGUST 9, 2023

The birds I’m referring to in this post are all flycatchers that occupy woody, forest habitat; but they are very infrequently in the same place at the same time. By constant harassment, egg ejection, and in some cases hatchling removal, the original owners abandon ship and the Piratic Flycatchers move in.

Trinidad 175

Trinidad Abandon Abandonment Abandoning 175

10,000 Birds

JULY 7, 2022

While females hatch from larger eggs and are initially heavier than their brothers, after ten days, the male chicks weigh almost 50% more than their sisters, as they receive a higher quantity and quality of prey from their parents ( source ). by taking advantage of the misfortunes or dregs of others.” ” ( source ).

Australia 147

Australia Parrots Birds Memphis 147

10,000 Birds

SEPTEMBER 15, 2011

They have special adaptations to stay warm and to keep their eggs and chicks warm. This separation of different traits into individual and separate histories, each with its own selective environment, is now known as “mosaic evolution&# in reference to a mosaic showing a coherent picture, but made of many individual separate tiles.

Penguins 219

Penguins Seals Peru Leopards 219

10,000 Birds

MARCH 22, 2018

Pairs average 59 successful copulations per clutch, starting 14 days before, and peaking a few days before, the start of egg-laying 1. Pairs copulate most often in early morning, at the same time as egg-laying 1. References: 1 Birds of North America Online.

Eggs 125

Eggs North America Fish America 125

10,000 Birds

FEBRUARY 6, 2024

As we know from the French documentary La Marche de l’Empereur ( March of the Penguins) , the females skedaddle from the breeding colony once she produces an egg, leaving the egg to be incubated by the males, who fast for 120 days while keeping the egg in a flap of their feet. (I

Penguins 194

Penguins Seals Leopards Mammals 194