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 252

Costa Rica Species South America America 252

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 279

Sparrows North America South America Blackbirds 279

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

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 279

North America Birds Research America 279

10,000 Birds

MAY 1, 2018

You can blame the nice people at Houghton Mifflin Harcourt, who took it upon themselves to send me a review copy of the Peterson Field Guide to Moths of Southeastern North America by Seabrooke Leckie and David Beadle. Moth plates from Peterson Field Guide to Moths of Southeastern North America. Let that sink in.

North America 102

North America America Oklahoma Missouri 102

10,000 Birds

SEPTEMBER 10, 2014

In June, I visited North Dakota for the first time. Like any birder visiting a new place, I had a target species list I was hoping to seek out during the one day I had available between business commitments. Black Rosy-Finch. Brown-headed Nuthatch. McCown’s Longspur. White-headed Woodpecker.

Species 196

Species Los Angeles Science 2000 196

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 Chicago Kentucky 273

10,000 Birds

AUGUST 1, 2023

The official Ontario bird checklist, produced by Ontario Field Ornithologists , June 2022 listed 506 bird species**, putting it in the top tier of U.S. Small Species Accounts: Each species is allotted one page (with certain exceptions) offering basics–bird names and size, one or two photographs, and a one-paragraph description.

North America 246

North America Birds Owls Canada 246

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

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 189

Mexico America North America Falcons 189

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 258

North America San Francisco Suffering California 258

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 206

Hunters Hunting North America Game 206

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 257

Chile Birds South America Albatross 257

10,000 Birds

JUNE 4, 2024

It’s a decidedly different direction for the author of Kingbird Highway (1997), Kaufman Field Guide to Birds of North America (2005), and A Season on the Wind: Inside the World of Spring Migration (2019), to cite just three of his books, and one that I thoroughly enjoyed, underlined with energy, and am still thinking about.

Philadelphia 246

Philadelphia Birds Investigation North America 246

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.

Elephants 240

Elephants New Zealand Sparrows Ostriches 240

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 266

United States 2011 Guatemala North America 266

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 Pennsylvania Ohio United States 264

10,000 Birds

JUNE 27, 2011

Last night I saw my second plover species of the year, a Common Ringed Plover. Interestingly, until a couple of years ago conventional wisdom held that the north end of Baffin Island was only populated by Common Ringed Plovers , the south Baffin by Semipalmated. The first I saw was its doppelganger, the Semipalmated Plover. Dr. Neal G.

Iceland 202

Iceland Europe Panama North America 202

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 165

Squirrels Prairie Dogs North America Rabbits 165

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 163

San Francisco North America Seals Sanctuary 163

10,000 Birds

DECEMBER 17, 2014

There’s been some interesting bird research lately, having to do with the origin of birds ( new analysis of new and old fossils ) and the overarching taxonomy ( using DNA analysis ) but I’ve not had a chance to absorb this weighty new knowledge so I’ll probably write about it next month.

Science 177

Science Birds 2000 North America 177

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 264

China Birds Nevada North America 264

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 264

Arizona Mexico Los Angeles Houston 264

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!

Alaska 174

Alaska North America Woodpeckers 2010 174

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 203

North America Mississippi Bald Eagle Falcons 203

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 264

2014 2015 Alaska New Hampshire 264

10,000 Birds

JUNE 7, 2012

It’s the warbler that is often the last unchecked species on birders’ life lists and, whether you list or not, for most of us observing it is a once in a lifetime experience. Fish and Wildlife Service endangered species list. Previously, even researchers had problems getting access to nesting Kirtland’s Warblers.

Michigan 258

Michigan Bahamas Endangered Species Research 258

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 289

Wildlife Rehabilitation Family Birds Collecting 289

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 170

North America America Species Breeding 170

10,000 Birds

MARCH 8, 2011

Getting to know the subtleties in differences between closely related species takes years of dedication and practice. Thirdly, many species of shorebirds display such vast differences in their summer and winter plumages that it is always interesting to note how some birds in the same flock are in contrasting stages of plumage.

Florida 232

Florida South Africa 2011 Africa 232

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 184

Ethics Owls New York North America 184

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.

Compassion 264

Compassion Birds Eagles Science 264

10,000 Birds

MAY 12, 2014

I was puzzled by a couple of the birds featured in North American Songbirds ; I had never heard of Plain Titmouse nor Water Pipit. A little research revealed that these are old names of birds that have been split into different species. Scientific names don’t reflect the massive changes to species in the warbler family.

2006 240

2006 2014 Connecticut North America 240

10,000 Birds

MARCH 31, 2012

The newest bird on the brink to capture her fertile imagination is the California Condor, on which she graciously shares her research and ruminations: Sometimes as a writer you recognize there’s been something overlooked in your midst—something quietly abiding. Their size doesn’t escape you. You think of turkey dressed in black.

California Condor 252

California Condor California Idaho Utah 252

10,000 Birds

MAY 23, 2023

What are the best field guides for birds in North America? Birders often venture into various habitats, such as forests, wetlands, grasslands, or coastal areas, to encounter different bird species. The primary objective of birding is to identify bird species based on their physical characteristics, behavior, and vocalizations.

United States 147

United States North America Birds America 147

10,000 Birds

SEPTEMBER 1, 2015

But getting a grip on gulls can be rewarding, and even within a large group of seemingly drab-colored, dump-loving trash eaters, there are spectacular species, like the dramatic Sabine’s Gull, the nearly mythical Ivory Gull, and easily one of the most sought-after species in North America, the mysterious Ross’s gull. (p.

North Carolina 263

North Carolina Birds North America Owls 263

10,000 Birds

AUGUST 31, 2011

These coveys usually range is size from 27 to 73 individuals but researchers have suggested that in arid areas, larger groups are drawn to the same water source, thereby producing large, stable coveys 2. 2005), Nests, Eggs, and Nestlings of North American Birds , Princeton: Princeton University Press 2 Birds of North America Online a.

California 259

California Gophers Rattlesnake Eggs 259