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. This is a rather typical group size for Bronzed Cowbirds.

Blackbirds 154

Blackbirds Mexico Cattle Birds 154

10,000 Birds

OCTOBER 8, 2015

Brown Pelicans in non-breeding plumage. The Brown Pelican occurs in both the Pacific and Atlantic coasts of North America and northern South America. Both are the only Pelican in their non-overlapping breeding grounds. Peruvian Pelican in non-breeding plumage. Brown Pelican in Breeding Plumage.

Pelicans 157

Pelicans North America Peru Chile 157

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 175

Hunters Hunting North America Game 175

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. In migratory populations males usually arrive to breeding grounds a few days before the females and look for nest sites. This pair copulated several times while I was observing.

California 199

California North America Sacramento Breeders 199

10,000 Birds

SEPTEMBER 24, 2014

The Bank Swallow ( Riparia riparia ) is North America’s smallest swallow. These birds have lost more than half their global population, and the 33 species combined have lost hundreds of millions of breeding individuals in just the past 40 years. References: 1 Birds of North America Online.

North America 187

North America 2014 California America 187

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

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. And of eggs and nests and birds on nests. Cedar Waxwings exchange berries, carry nesting material, eggs.

Eggs 263

Eggs 2006 Family New York 263

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

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. The other sub-species, Calidris canutus roselaari , migrates along the Pacific Coast and breeds in Alaska and the Wrangel Island in Russia.

Endangered Species 160

Endangered Species Protection Delaware Species 160

10,000 Birds

APRIL 10, 2013

All four major flyways in North America — the aerial migration routes traveled by billions of birds each year — converge in one spot in Canada’s boreal forest, the Peace-Athabasca Delta in northeastern Alberta. About three billion birds fly north to the Boreal Forest each spring to build nests and lay eggs.

Obama 244

Obama 2008 United States North America 244

10,000 Birds

JULY 23, 2014

In North America and the Caribbean, they are found mostly in suburban, urban, and agricultural areas where grain, roost, and nest sites are available. In warm climates they can breed year round. They usually lay two eggs per clutch and most often, successive clutches will be laid while adults are still attending fledglings!

2002 178

2002 Breeders North America Bahamas 178

10,000 Birds

MARCH 22, 2018

The shape of the Osprey nest changes during the breeding cycle. 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 108

Eggs North America Fish America 108

10,000 Birds

AUGUST 13, 2014

” The report continues: “Following the breeding season, most tricolors are found in the Sacramento Valley where they aggregate with red-winged and other blackbird species and feed, often in large flocks, on ripening rice. References: 1 Birds of North America Online.

Blackbirds 186

Blackbirds California 2014 Sacramento 186

10,000 Birds

AUGUST 31, 2011

All New World Quail are highly gregarious, typically found in coveys or flocks except during breeding season. In California, coveys break up and pairs begin forming in February or March, followed by nest building and egg laying in May or June. She will usually lay 12 to 17 eggs, averaging five per week 1 , before beginning incubation.

California 217

California Rattlesnake Gophers Eggs 217

10,000 Birds

JANUARY 29, 2015

State and Federal Agencies feared that if these two large constrictor snakes are allowed to breed they would produce a hybrid super-python. Photo Credit: Invasive and Exotic Species of North America (www.invasive.org). Rock Python. Photo Credits: Samuel Wright.

Pythons 180

Pythons Florida Mammals Reptiles 180

10,000 Birds

JULY 17, 2012

Horned Larks breed widely over North America, including up here in the High Arctic. For many North American bird enthusiasts, Common Ringed Plover ‘s are a bird they rarely, if ever, get to see. Here they are a common breeding bird, one of our two species that migrate from here to Europe and then south.

Eggs 186

Eggs North America Breeding Europe 186

10,000 Birds

JUNE 19, 2013

Even though the overall breeding range remains largely unchanged from that in the 1940′s, the entire coastal population has been in recent severe decline. The ecological requirements for Black Swifts to breed restrict them to a very limited supply of nesting locations. Photo from Wikipedia Commons taken by Terry Gray.

California 207

California Costa Rica North America Niger 207

10,000 Birds

JULY 28, 2013

Especially the bird breeding season, which passes by at the blink of an eye. This pair first appeared four years ago, and are amongst the most northerly known breeding Pacific Loons in North America. However the night before last all hope was lost, the egg now gone, the birds still on the lake.

Abandon 166

Abandon Abandoning Abandonment Eggs 166

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. Groups may also contain up to 10 male and female non-breeding helpers, usually offspring of the group produced in prior years 1. References: 1 Birds of North America Online a.

Woodpeckers 184

Woodpeckers Breeders North America Groups 184

10,000 Birds

NOVEMBER 1, 2011

I think most of us in North America have come to the somewhat disappointing conclusion that fall migration is pretty much finished for the year. We get to see a lot of them around here, and familiarity breeds, not contempt certainly, but perhaps apathy. You’re done. Look at those bright legs!

North America 193

North America North Carolina Tennessee South America 193

10,000 Birds

SEPTEMBER 9, 2014

Kirtland’s Warbler is a classic niche species; they breed in only very specific conditions, which occur in only a very specific area. this species breeds. Short-tailed Albatross was thought to be, at one time, the most abundant species of albatross in the North Pacific. Santa Cruz Island, CA. Somebody won a Nobel Prize.

Albatross 202

Albatross Endangered Species Bald Eagle Alaska 202

10,000 Birds

JUNE 20, 2012

Cliff Swallows migrate to North America from their wintering grounds in South America to nest in large colonies, sometimes numbering in the thousands. In addition to their homing tendency, breeding swallows are attracted to old nests. Under suitable conditions, a nest is quite durable and can be used in successive years.

San Diego 165

San Diego illegal California South America 165

10,000 Birds

MAY 30, 2019

It was advisable to remove them at night, to keep them calm, to establish immediately a feeding board on which they would be fed chopped beef and egg to start, then fresh birds, rabbit or squirrel. ” By 1970 the man who championed Peregrines had convinced Cornell University to build a Hawk Barn for captive breeding of these birds.

Falcons 177

Falcons California Condor Alaska Idaho 177

10,000 Birds

JULY 4, 2012

This entire cycle begins in early Spring when Western Bluebirds pair up for breeding. The female alone incubates the usual 4 to 6 eggs for about two weeks beginning the day the last egg is laid. v=V1bFr2SWP1I References: 1 Birds of North America Online a. i Kamakawiwo?ole’s www.youtube.com/watch?v=V1bFr2SWP1I

Washington 183

Washington Eggs Israel California 183

10,000 Birds

MAY 29, 2011

Most of the breeding birds returning here will arrive within the next 10 days to two weeks. Breeding is well underway and everywhere you look the Glaucous Gulls are, ahem, engaged or collecting grasses and sedges for nests. My favourite spot will be frantic with shorebirds soon, arriving, displaying, breeding and disappearing to nest.

Bald Eagle 125

Bald Eagle Iceland North America Owls 125

10,000 Birds

JULY 10, 2011

July, as all northern hemisphere birders appreciate, is the month when the egg timer flips and everything starts pouring back out again in a steady stream south. One of Britain’s recent colonisers the Mediterranean Gull begins to arrive in bigger numbers every year as post-breeding dispersal takes hold.

Poland 157

Poland 2009 France Europe 157

10,000 Birds

SEPTEMBER 4, 2012

The length of each bird species account varies, depending on whether the bird is native or a “visitor” (the book’s term for migrant) or vagrant, breeding or non breeding. They breed in dense colonies, incubate their single egg on the feet, and take more than a year to fledge a chick.

Georgia 173

Georgia Penguins Wildlife Whales 173

10,000 Birds

APRIL 2, 2019

So, I was very excited when I heard that Rick Wright was writing a book about sparrows, the first treatment of North American sparrows since 2001, possibly the first book about sparrows of North America, depending on your definition of that geographic area. They’re all birds of North America! Mexico border.

North America 146

North America Sparrows America United States 146

10,000 Birds

SEPTEMBER 9, 2014

Still, I can’t help thinking that there is some parallel between the mass slaughter of the Passenger Pigeon in 19th-century North America and the mass slaughter of songbirds in southern European countries today. How many eggs did a pigeon lay? Or the destruction of the forests, food source and breeding grounds.

2014 160

2014 Killing Michigan Kentucky 160

10,000 Birds

JUNE 7, 2012

A lovely looking and distinctive sounding bird (so they say, I sadly have not seen one…yet), the Kirtland’s Warbler can only be found during its breeding season in Jack Pine forests 5 to 20 years old in the northern Lower Peninsula of Michigan. William Rapai (pictured left) is a newspaper reporter and editor who is clearly also a birder.

Michigan 226

Michigan Bahamas Endangered Species Research 226

10,000 Birds

DECEMBER 20, 2014

There is a total of 235 different bird species in Greenland, most of them are migratory birds with approximately 60 species breeding within the land. Some of the most common breeding birds are White-tailed Eagles , Northern Fulmars , Black Guillemots , Common Eiders , Rock Ptarmigans , and Arctic Terns. Source: Shutterstock ).

North America 176

North America Eagles Breeding Eggs 176

10,000 Birds

APRIL 27, 2012

One of the more interesting aspects (in my opinion) of breeding in birds is their mating strategy. 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. of all bird species, is polyandry. 1996, Nakamura 1998).

2002 165

2002 North America 2000 2009 165

10,000 Birds

SEPTEMBER 15, 2014

Typically, at least here in North America, we think of migration as a north-south affair. We are familiar with the story, birds flying north in the boreal summer, taking advantage of the warmth, long days, and abundant insect life, to raise their young. A male Northern Wheatear. Sexes are highly dimorphic.

Somalia 195

Somalia Africa Nigeria North America 195

10,000 Birds

AUGUST 6, 2013

It covers 63 odonate species: 44 breeding species (19 damselfly, 25 dragonfly), and, in a second part of the Species Accounts, 19 vagrant, potential vagrant and former breeding species (5 damselfly, 14 dragonfly). Sections on Behaviour, Breeding Habitat, and Population and Conservation offer brief but specific information.

Ireland 171

Ireland France Breeding Eggs 171

10,000 Birds

MAY 27, 2011

As strange as it may seem, sexual dimorphism and breeding behavior are reversed in these species. As a matter of fact, according to Birds of North America Online , “Courtship displays with copulation include bowing and upright postures and vocalizations by both sexes, but are usually initiated by females.

North America 167

North America Eggs America Breeding 167

10,000 Birds

MARCH 9, 2011

Let us for once judge a book by its cover, and take a thorough look at a Black-headed Gull in breeding plumage. How do I know of their Gothic moods when they have hidden them so well in an egg-white shell of conformity? Are you quite sure that sentence should not include &# their appearance &# and “ apparently “?

2011 161

2011 Birds Deer Europe 161

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. Baicich and Colin J.

Eggs 227

Eggs United States Sparrows Birds 227