10,000 Birds

AUGUST 3, 2021

There was a time when I thought each bird species had its own individual song. Then I found out that there was this vocalization called a ‘call,’ so I thought each bird species had its own individual song (but just the males) and individual call. Bird communication is a complex and evolving science. How do they know?

North America 278

North America Research Birds Groups 278

10,000 Birds

MAY 4, 2021

Marybeth Lima’s ‘real life’ work is academic, she is a professor of biological and agricultural engineering as Louisiana State University with research interests in community-based design and service-learning in engineering. Adventures of a Louisiana Birder: One Year, Two Wings, Three Hundred Species.

Louisiana 264

Louisiana Species Mississippi Alabama 264

10,000 Birds

MARCH 21, 2015

These and several other species might end up being armchair ticks if and when we take a closer look at their evolutionary history. Taxa that could end up being split into one species occurring north of the Isthmus of Tehuantepec, and one south of the isthmus. (2). Bird species that require further research.

Costa Rica 211

Costa Rica Species South America America 211

10,000 Birds

JANUARY 25, 2015

A new paper out this month attempts to paint the most comprehensive picture yet of the origins and diversification of the American sparrows, wood-warblers, blackbirds, cardinals, tanagers, and their kin, an enormous group of birds more than 800 species strong. The paper is by leading researchers F. Keith Barker, Kevin J.

Sparrows 252

Sparrows North America South America Blackbirds 252

10,000 Birds

JULY 4, 2017

This is the first identification guide that I know of that covers Mexico (technically North America but rarely included in North American raptor guides) and Central America. Like Peterson’s Hawks of North America, 2nd edition (Houghton Mifflin, 2001), which Clark co-authored with Brain K.

Mexico 162

Mexico America North America Falcons 162

10,000 Birds

APRIL 13, 2021

The survey was commissioned by National Flyway Council (NFC), which implements the North American Waterfowl Management Plan (NAWMP), which, in turn, aims to maintain abundant waterfowl populations in North America. Thus, birders like natural areas close to home with rare species, and perhaps some ducks. Paul, MN 55108.

Minnesota 264

Minnesota Research Pennsylvania Ohio 264

10,000 Birds

DECEMBER 18, 2014

Fish and Wildlife Service has listed the “Rufa” population of Red Knot ( Calidris canutus rufa ) as a threatened species under the Endangered Species Act (ESA). The other sub-species, Calidris canutus roselaari , migrates along the Pacific Coast and breeds in Alaska and the Wrangel Island in Russia. Conservation'

Endangered Species 160

Endangered Species Protection Delaware Species 160

10,000 Birds

OCTOBER 8, 2020

Guiding aside, Howell is a research associate at the California Academy of Sciences and the author of many books, including Petrels, Albatrosses, and Storm-Petrels of North America (Princeton). We have tended to a liberal (= realistic) direction when recognising species.” Well, this is one interesting claim.

Chile 200

Chile Birds South America North America 200

10,000 Birds

JANUARY 3, 2023

So, I was intrigued when I saw that Comstock Publishing, an arm of Cornell University Press, was publishing Baby Bird Identification: A North American Guide by Linda Tuttle-Adams. The scarcity of information on the young of some avian species is astounding. Not all species accounts have corresponding plates or photographs.

Wildlife Rehabilitation 255

Wildlife Rehabilitation Birds Family Collecting 255

10,000 Birds

APRIL 5, 2022

Vagrancy in Birds is organized into two major parts: (1) A detailed, 62-page synthesis of research and theory and (2) “Family Accounts,” 259 pages covering bird families from Struthionidae/Ostriches) to Thraupidae/Tanagers and allies (Clements is the taxonomic authority). Copyright © 2022 Alexander Lees and James Gilroy.

Birds 259

Birds Compassion Eagles Science 259

10,000 Birds

OCTOBER 21, 2015

With the breeding colony concentrated on one small island this species is vulnerable to a catastrophic weather event. It’s all of the things I learn about different birds from researching to write posts. If you want to learn a lot about bird species, I find “Birds of North America Online” the best resource on the net.

San Francisco 158

San Francisco North America Seals Sanctuary 158

10,000 Birds

SEPTEMBER 8, 2023

An associated issue is that the Belize and Costa Rica guides share many of the same descriptions of species, written by Howell. Dale Dyer put in years working on his paintings for Birds of Central America , both in the field and in the museum. Other species are splits and lumped and have had their names changed. Not every bird.

Costa Rica 213

Costa Rica Belize El Salvador Birds 213

10,000 Birds

AUGUST 18, 2021

All sorts of exotic and beautiful species may be seen. This would sound attractive even to me, except for one fact: almost all of those exotic and beautiful species are common down here in central Mexico. Southeastern Arizona is unusual, precisely because its species mix is as much Mexican as it is American.

Arizona 261

Arizona Mexico Los Angeles Dallas 261

10,000 Birds

SEPTEMBER 27, 2021

I stopped at the Red Crossbill , realizing that the species indeed “occupies an immense range, including North America, Eurasia, and northern Africa” (HBW) – including Baxi forest, China. It is hard to see any scientific value in defining a bird species as a country endemic. Progress of sorts, I guess.

China 227

China Birds Nevada North America 227

10,000 Birds

MAY 2, 2023

Flight Paths traces the history of migratory research in nine chapters, starting with the earliest attempts to track birds, bird banding/ringing (which she traces back to Audubon), and ending with ‘community science’ projects such as Breeding Bird Surveys and eBird. THIS IMAGE NOT IN THE BOOK. Schulman, 2023.

Science 187

Science Illinois Investigation Research 187

10,000 Birds

JULY 21, 2014

These bark-burrowing beetles, which apparently hitched a ride in cargo shipments from their native Asia, have been starving the ash trees of eastern and midwestern North America to death for a dozen years now. … Here at 10,000 Birds 20 July – 26 July is Invasive Species Week. Enter the woodpecker.

Woodpeckers 273

Woodpeckers Illinois Science Chicago 273

10,000 Birds

JULY 22, 2014

The majority of wildcats live today in Africa, and virtually none of them have provided the DNA from which supposed histories of domestication have been constructed by researchers. But they don’t live in North America. I find it astonishing that people argue of whether feral cats are bad for birds in North America.

Feral Cats 255

Feral Cats North America Feral Cats 255

10,000 Birds

SEPTEMBER 9, 2015

Their habitats vary widely in both rural and urban landscapes; open habitats are preferred and the species generally shuns only extensively forested areas and wetlands 1. To show how adaptive this species is, the following photograph was sent to me by one of my readers and I use it with her permission.

Hunters 175

Hunters Hunting North America Game 175

10,000 Birds

SEPTEMBER 4, 2018

There are 35 raptor species that have a presence in the United States and Canada, 56 (more or less) if you count by subspecies, and they are all covered in admirable, exhausting, unbelievable detail in B irds of Prey of the East: A Field Guide and Birds of Prey of the West: A Field Guide by Brian K.

North America 191

North America Birds Mississippi Bald Eagle 191

10,000 Birds

JULY 5, 2022

The first half describes the problem (why birds hit windows, the scale of the deaths, scientific research, what happens when birds strike windows) and the second half discusses what to do about it (community and worldwide education, window deterrent solutions, legal mandates and building codes, citizen science–what individuals can do).

New York City 254

New York City Birds Illinois Science 254

10,000 Birds

SEPTEMBER 6, 2022

This is “the deep cradle of Western ornithology: the birthplace of bird study,” he tells us as he writes about gazing at the 8,000-year old depictions of “flamingos, herons, raptors, avocets and many other species” (p. Common Guillemot research at Skomer Island, Wales. Beagle , pt.

Dissection 219

Dissection Birds Research Europe 219

10,000 Birds

AUGUST 26, 2015

You can see some of my older Lassen Park posts featuring several other species from this beautiful park here. This week I am reporting on the Cassin’s Finch ( Haemorhous cassinii ), another western species found nesting in Lassen Volcanic National Park. This is the male of the species (click on photos for full sized images).

North America 166

North America Research America Species 166

10,000 Birds

DECEMBER 19, 2012

They inhabit the grasslands, shrub steppes, and deserts of western and central North America. Note the long yellow gape, a characteristic field mark of this species. Fish and Wildlife Service and as a Sensitive Species by the Bureau of Land Management 1. Obviously more research needs to be done on this magnificent raptor.

Squirrels 156

Squirrels Prairie Dogs North America Rabbits 156

10,000 Birds

DECEMBER 7, 2017

He is currently a Fish and Wildlife Technician with the New York State Department of Environmental Conservation and a Graduate Research Assistant at the Research Foundation for SUNY. Being charismatic species, Snowy Owls are the focus of the nature-loving community during the winter. Species have value. 1999, Holt et al.

Ethics 142

Ethics Owls New York North America 142

10,000 Birds

AUGUST 3, 2016

Of the four species of gnatcatchers found in North America, two are regularly seen here on the Baja California Sur, and the other two make the rare occasional visit. The Blue-gray Gnatcatcher is with out doubt the most widely found of the species, but the California Gnatcatcher is the most recognized.

California 100

California North America Species Research 100

10,000 Birds

MARCH 2, 2015

Many species that are currently common may stay that way, and some species will likely increase…and hopefully species besides House Sparrows , European Starlings , Rock Pigeons and Eurasian Collared-Doves , which those in North America know as the four avian horsemen of the apocalypse. Whats in it for birds?

North America 215

North America Birds San Francisco Suffering 215

10,000 Birds

JULY 13, 2014

It’s mid-July, which among other things means that those of us in North America are starting to check local mudflats for returning shorebird migrants and waiting impatiently for the AOU to hurry up and create five species from the Clapper-King rail complex (the reasons for which we covered last year ). Gowen et al.

New Zealand 196

New Zealand Elephants Sparrows Ostriches 196

10,000 Birds

MAY 17, 2020

Over and again, Kroodsma admits to things to which neither he, nor any other researchers, yet have answers – including areas where diligent amateurs can, he says, make discoveries. Good field guides to bird sounds are certainly available, particularly Nathan Pieplow’s for eastern and western North America.)

Virginia 242

Virginia Boston North America 2020 242

10,000 Birds

FEBRUARY 17, 2015

If this was America, we might not be concerned because starlings are an invasive species, at least in North America. Researchers are wondering if the die-off might spread to other birds or even fish. This is not something I needed to tell you but there is some new research.

Science 151

Science Iraq Research Birds 151

10,000 Birds

FEBRUARY 1, 2012

The Red-breasted Sapsucker ( Sphyrapicus ruber ) and the Red-naped Sapsucker ( Sphyrapicus nuchalis ) were considered different forms of the Yellow-bellied Sapsucker ( Sphyrapicus varius ) until 1983 when they were split into separate species. The bird shown above arrived at my house at the end of October, a new species for my yard list!

North America 161

North America Alaska Woodpeckers 2010 161

10,000 Birds

JANUARY 5, 2016

All species are from the ABA area, and all groups must meet at least one of these criteria: (1) the group “represented a good opportunity to build core birding skills,” (2) the authors thought it was a group that needed “a refreshed treatment,” (3) the authors were intrigued by the group and wanted to present it using their unique format.

Birds 190

Birds Groups 2015 North America 190

10,000 Birds

MARCH 3, 2020

Diversity of habitat means, of course, great biodiversity, and the Introduction boasts that Bolivia “is the richest landlocked nation on Earth for bird diversity, the sixth richest overall, and the fifth richest in the Americas” (p. That’s pretty amazing–Bolivia has more bird species than India! ″ x 9.5″x

Bolivia 172

Bolivia Birds Brazil Switzerland 172

10,000 Birds

JANUARY 26, 2014

The Yellow-rumped Warbler ( Setophaga coronata ) complex is one of the most abundant and widespread representatives of the New World warbler family in North America, present in many parts of the United States even through the winter months, when the birds feed on small fruits and other foods, including sap.

United States 234

United States 2011 Guatemala North America 234

10,000 Birds

APRIL 3, 2018

“The Purpose of Field Guides: Taxonomy vs. Utility,” co-authored with Brian Sullivan, Michael O’Brien, Chris Wood, Ian Lewington, and Richard Crossley ( Birding , November 2009) proposed a standard avian species order for field guides, apart from the ever-changing AOS taxonomic order. Species are useful handles (p. 16, below).”

Birds 142

Birds North America 2012 America 142

10,000 Birds

OCTOBER 28, 2015

Having warned to her theme she introduces her villain of the piece, the AMNH researcher Chris Filardi, who collected a kingfisher. Throughout his professional career, Chris has maintained a commitment to bridging his research interests with grassroots conservation. The unique behaviors this mysterious species might exhibit?

Collecting 159

Collecting Papua New Guinea Science Birds 159

10,000 Birds

SEPTEMBER 22, 2014

Though Ron is based in Ontario his reports are eagerly anticipated by birders across the northeastern United States and eastern Canada because it takes into account a vast array of data to figure out which irruptive species might show up where. Red Crossbills comprise at least 10 “call types” in North America.

2014 236

2014 2015 Alaska New Hampshire 236

10,000 Birds

OCTOBER 7, 2014

The second edition of the National Geographic Complete Birds of North America, 2nd Edition has one of the longest book names in bird bookdom: National Geographic Complete Birds of North America, 2nd Edition: Now Covering More Than 1,000 Species With the Most-Detailed Information Found in a Single Volume.

North America 177

North America America Birds Family 177