10,000 Birds

JULY 18, 2012

Wood Duck ( Aix sponsa ) Female Incubating Eggs in a Nest Box “Many species of cavity-nesting birds have declined because of habitat reduction. This is the female incubating eggs in the nest box… and a couple of weeks later… then, at the ripe old age of 17 days, what’s going on out here?

North America 213

North America America Barn Owls Falcons 213

10,000 Birds

DECEMBER 7, 2021

This may have been partly a leftover from the Victorian fascination with egg collecting (the infamous passion known as oology), but probably more from people’s burgeoning interest in the nests and eggs found in their gardens and fields, gateway artifacts to a newer hobby called birdwatching. The Harrison guides are out of print.

Eggs 229

Eggs Birds United States Sparrows 229

10,000 Birds

JANUARY 2, 2024

The scope is worldwide; of the 24 birds depicted, five are from the Americas; five from Eurasia; three from New Zealand; two from Australasia; three from Africa; one from Africa and Asia; one from Antarctica; two worldwide, and two from Asia, introduced worldwide. of Chicago Press, 2014).

Chicago 178

Chicago Barn Owls Penguins New Zealand 178

10,000 Birds

MARCH 21, 2024

Being a westerner — raised in California, and now living in western Mexico — I was perhaps most excited about the migratory birds that breed in eastern North America. And then there was a Green Heron , not only showing us its nest, but also an egg. Then, around 4:00 p.m., And yet, there it was. But what could I do?

Mexico 194

Mexico Birds Raccoons Baltimore 194

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. Why are all the real tanagers in tropical America?

Science 214

Science Albatross Research Birds 214

10,000 Birds

SEPTEMBER 25, 2014

Male Phalaropes, Jacanas, Tinamous, and Rheas build nests, incubate the eggs and take care of the chicks. Perhaps the most complicated and bizarre mating system is that of the Rheas of South America. They live in flocks in the open country shrubland of Southern South America. Some of the eggs will be lost to the elements.

Eggs 153

Eggs South America Raised America 153

10,000 Birds

JULY 21, 2022

Europe has one species (Eurasian Spoonbill), the Americas have one (Roseate Spoonbill), Australia two (Royal and Yellow-billed Spoonbill), and Asia has two as well (Eurasian and Black-faced Spoonbill). Studies on improving ostrich egg hatchability. Also, I learned that in the US , ostrich eggs are priced at $40-$75.

Ostriches 147

Ostriches Parrots Birds Eggs 147

10,000 Birds

JUNE 2, 2015

And of eggs and nests and birds on nests. Into the Nest , as the title says, is about the courting, mating, egg-laying, nesting, and parenting behavior of “familiar birds”. Cedar Waxwings exchange berries, carry nesting material, eggs. Egg biology, from Part I. Oops, the curmudgeon in me slipped.) Peregrine Falcon nests.

Eggs 263

Eggs Family 2006 New York 263

10,000 Birds

JUNE 2, 2016

Northern Flicker nestlings hatch slightly asynchronously as the adults begin incubation one to two days before the last egg is laid. According to Birds of North America Online , on day 10 or 11 their eyes are beginning to open. They also have this strange looking white fleshy fold at the jaw hinge, and a white egg tooth.

North America 101

North America Eggs America Birds 101

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 163

Eggs North America 2007 Woodpeckers 163

10,000 Birds

JUNE 3, 2020

Instead, they lay their eggs in other species’ nests, and let those nest-making birds (often significantly smaller than the cowbirds) raise their young. So that is a negative mark on both their records. In contrast, the Brown-headed Cowbird is a same-continent invasive species.

Birds 154

Birds Blackbirds Mexico Cattle 154

10,000 Birds

SEPTEMBER 9, 2015

The Mourning Dove ( Zenaida macroura) is among the most abundant and widespread terrestrial birds endemic to North and Middle America. The nickel was placed in the nest for the photo to show me the size of the egg for identification purposes, then removed. References: 1 Birds of North America Online , 2 Droege, S.

Hunters 175

Hunters Hunting North America Game 175

10,000 Birds

APRIL 27, 2012

In this system, females mate and lay eggs with multiple males over the course of a breeding season, leaving males to incubate the eggs and raise the chicks. the polygynandrous Smith’s Longspur by Shawn Billerman Birders in North America are lucky enough to encounter some amazing birds with some amazing breeding biology.

2002 166

2002 North America 2000 2009 166

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. If you want to learn a lot about bird species, I find “Birds of North America Online” the best resource on the net. References: 1 Birds of North America Online , 2 BirdLife International.

San Francisco 158

San Francisco North America Seals Sanctuary 158

10,000 Birds

FEBRUARY 1, 2022

Birders are always happy to see a turtle or tortoise, and there are times of the year when my social media feeds are sprinkled with photos of turtles beings removed from roads or crawling to land to lay eggs. Press, 2006) or Ernst and Lovich’s text on turtles of North America, cited above. Lovich and Whit Gibbons.

Turtles 196

Turtles Tortoises Family Terrapins 196

10,000 Birds

SEPTEMBER 25, 2013

While the native apple snail continued declining, another species of apple snail native to South America began to appear in canals and ponds in South Florida. Native snails lay 20-50 eggs at a time during the spring. Exotic snails lay 300-500 eggs at a time, lay eggs throughout the year, and are more resistant to environmental changes.

Florida 219

Florida South America Eggs Bolivia 219

10,000 Birds

JANUARY 28, 2015

Although it was formerly abundant and geographically widespread, Trumpeter Swan numbers and distribution were greatly reduced during the early fur trade and European settlement of North America (1600’s to 1800’s), when it was prized for its skins and primary feathers 1. www.youtube.com/watch?v=kq1bx7Ic2FY. v=kq1bx7Ic2FY.

North America 176

North America Iowa Wisconsin America 176

10,000 Birds

NOVEMBER 5, 2015

The Andean Flamingo ( Phoenicopterus andinus ) is one of the three flamingos occurring in the high Andes of South America. Egg harvesting to sell as food was intensive then, with thousands taken annually from the breeding colonies in Chile. Egg collection for local consumption still continues at lower scale.

Chile 154

Chile Endangered Species Eggs Argentina 154

10,000 Birds

OCTOBER 7, 2015

They nest on large inland lakes in western North America and migrate to the Pacific coast in winter, however they maintain local populations year-round in California. They normally lay 3 to 4 eggs per clutch. Click on photos for full sized images.

California 145

California North America Eggs America 145

10,000 Birds

APRIL 25, 2012

Most of the Osprey breeding in North America are migratory, only Florida, the Caribbean and Baja California host non-migratory breeders 1. Osprey pairs usually form at the nest site where females are fed almost exclusively by their mates prior to egg laying behavior 1. This pair copulated several times while I was observing.

California 201

California North America Sacramento Breeders 201

10,000 Birds

MAY 26, 2013

Corey’s Best Bird of the Weekend was a surprise American Golden-Plover at Big Egg Marsh in Queens, a very good bird for the east coast in spring, as they tend to migrate north through the center of North America. How about you? What was your best bird of the weekend?

2013 176

2013 North America Birds Eggs 176

10,000 Birds

JUNE 16, 2016

They are described as “hardy,” and “handle marginal diets and poor housing conditions better than other breeds and still continue to produce eggs.” ” Best of all, they lay between 150 and 200 eggs per year. Though they only weigh.1-.2 Think about it, Rhode Island is tiny, and so is the hummingbird!

Rhode Island 101

Rhode Island Oklahoma Chickens Minnesota 101

10,000 Birds

AUGUST 3, 2021

” And then I found out that bird song doesn’t just belong to the males, that there are female birds who sing too, only not so much in North America, and my mind was blown.**. They’re just like us–they talk with their hands (er, wings) and their feet and some are even crafty!” And, that’s it.

North America 278

North America Research Birds Groups 278

10,000 Birds

OCTOBER 8, 2015

The Brown Pelican occurs in both the Pacific and Atlantic coasts of North America and northern South America. They nearly disappeared from North America between the late 1950s and early 1970s because of pesticides entering the food chain. Brown Pelicans in non-breeding plumage.

Pelicans 157

Pelicans North America Peru Fish 157

10,000 Birds

DECEMBER 18, 2014

One of the two sub-species of Red Knot occurring in North America, the Rufa subspecies breeds in the Canadian Artic Region and migrates along the east or Atlantic coast of the United States. migration corridors from Argentina in the Southern tip of South America to Canada.

Endangered Species 160

Endangered Species Protection Delaware Species 160

10,000 Birds

AUGUST 20, 2013

And, in South America, there is at least one species that is being heavily preyed on by North American Minks which are not supposed to be in South America. Their natural range is in a smallish region of southern South America. Which brings us to the Hooded Grebe Podiceps gallardoi.

2010 201

2010 South America 2011 Argentina 201

10,000 Birds

JULY 2, 2019

A distribution map shows areas in South America where the species has been found, with letters and dotted lines indicating subspecies areas, red dots showing where the type specimen was found, and X’s denoting questionable sightings. They are, of course, of antpittas building or incubating eggs on a nest. Organization.

Research 140

Research Eggs South America Costa Rica 140

10,000 Birds

APRIL 5, 2012

However, with upcoming Easter and Passover festivities and America’s all-important Spring Break, now is a good time to focus on the peregrinations of people. As is my wont, we’ll be celebrating a secular Easter replete with colored eggs, chocolate bunnies, and a fun family hike. Where are you going this weekend?

2012 158

2012 Albatross New York Eggs 158

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. 266-67).

Dissection 219

Dissection Birds Research Europe 219

10,000 Birds

SEPTEMBER 1, 2015

Now, more than ever, they are an iconic piece of the birding landscape, for David Sibley’s “ The Sibley Field Guide to to Birds of Eastern North America ,” features none other than an American Goldfinch on the cover! Unlike many other songbirds, these goldfinches subsist entirely on a vegetarian, seed-based diet.

New Jersey 150

New Jersey United States Legislature Iowa 150

10,000 Birds

SEPTEMBER 15, 2014

Typically, at least here in North America, we think of migration as a north-south affair. B95 and his Calidris canutus rufa kin may travel back and forth from South America to the Arctic, but another subspecies of Red Knot , Calidris canutus islandica , makes the journey up here from Great Britain and other parts of Europe.

Africa 196

Africa Somalia North America Nigeria 196

10,000 Birds

SEPTEMBER 24, 2014

The Bank Swallow ( Riparia riparia ) is North America’s smallest swallow. Historically, all Bank Swallow colonies in North America were found in natural sites such as banks along rivers, streams, lakes, and coasts; today, many colonies are in human-made sites like sand and gravel pits and road cuts.

North America 188

North America 2014 California Birds 188

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 172

Mississippi North America Eggs America 172

10,000 Birds

NOVEMBER 3, 2020

Each chapter focuses on a specific geographic area of penguin population: (1) Antarctica, (2) South Georgia, (3) Falkland Islands, (4) South Africa and Tristan de Cunha, (5) New Zealand and Australia, (6) South America and Galapagos. Sections and subsections are denoted with the types of outline numbers I used to use in high school.

Penguins 278

Penguins Georgia New Zealand Albatross 278

10,000 Birds

JULY 31, 2014

Young Least Terns , some still begging for food, begin to appear on Florida beaches and will soon continue their flight south eastern South America. By early May most terns have laid eggs. There were a lot more terns incubating eggs than what we had estimated. Nesting on a rooftop is by no means safer than doing so on the beach.

Florida 166

Florida Raccoons South America Eggs 166

10,000 Birds

AUGUST 14, 2013

They packed up in June of 2013 and headed south from San Diego with the southern tip of South America as their destination. The non-breeding distribution is virtually unknown, although they are suspected to winter in northern South America (Howell and Web 1995). Very little is known about this enigmatic species.

South America 183

South America San Diego Mexico America 183

10,000 Birds

DECEMBER 20, 2014

When their nests are ready the birds lay two eggs, and in rare occasions only one or three. The eggs are hatched in 21 days and even though the chicks leave the nest after a couple of days, they remain close to their place of birth. Destinations Arctic Tern Greenland North America' Source: Shutterstock ).

North America 177

North America Eagles Breeding Fish 177