10,000 Birds

DECEMBER 5, 2017

The 7th edition of the National Geographic Field Guide to the Birds of North America covers 1,023 species that reside, migrate, or have been documented as accidentals or exotics in North America. Species Accounts: With 1,023 species, National Geographic 7 continues to cover the most species of any North American field guide.

North America 186

North America America 2017 Birds 186

10,000 Birds

MARCH 4, 2014

In this book, rare birds are species “for which, on average, only 5 or fewer individuals have been found annually in North America since around 1950.” Species that were once seen rarely and have now become more common, like Clay-colored Thrush, are not included. Rare Birds of North America covers 265 species within these parameters.

North America 258

North America America Birds United States 258

10,000 Birds

OCTOBER 6, 2015

Here are some things I’ve learned from the Peterson Reference Guide to Owls of North America and the Caribbean by Scott Weidensaul: The Burrowing Owl is the only North American owl species where the male is larger than the female, albeit, only slightly larger. The 39 owls include five endemic Caribbean species.

North America 229

North America Owls America Dominican Republic 229

10,000 Birds

SEPTEMBER 3, 2019

” And, if you don’t believe them, just take a look at some of the photographic comparisons of species they present: Or, of albatross plumages: Or, read about the taxonomic confusions and scientific lapses in research on petrels, Albatrosses, storm-petrels, and diving-petrels. And, you need a boat.

Albatross 164

Albatross North America Birds Groups 164

10,000 Birds

NOVEMBER 3, 2015

Cuban Black Hawk, split in 2007 from Common Black Hawk! Navarro’s exceptional drawings illustrate the species accounts. Forty-eight species. Compare, for example, the species account illustration of the Cuban Trogon with the photo that opens up the introductory chapter. Cuba is on my mind. 26 endemics!

Cuba 236

Cuba Birds United States 2000 236

10,000 Birds

DECEMBER 4, 2018

The hope and claim is that transferring this process to gull identification works more easily and just as accurately (at least for species) as an examination of plumage and molt patterns. Species Accounts. Gulls Simplified covers 25 species. And, then there is a Hybrid Gulls chapter, covering five well-documented hybrids.

North America 205

North America America El Salvador Nicaragua 205

10,000 Birds

APRIL 2, 2013

For ornithologists, it is the documentation of a multi-year project designed to record the distribution and abundance of birds in a specific area (in North America, usually a state or a province), utilizing a mapping method involving blocks and grids. You can see the Species Account for Henslow’s Sparrow above, in the banner photo.

Pennsylvania 236

Pennsylvania Breeding Birds Sparrows 236

10,000 Birds

MAY 7, 2019

So, for example, Essay #15, “Individual Variation,” uses Herring Gulls to introduce the concept that one species, even one species at a specific age, can vary widely in appearance. The Checklist is more than a taxonomic listing of species and chapter number and title; it also contains useful notes on each bird family.

Birds 115

Birds North America Breeding America 115

10,000 Birds

MARCH 1, 2012

It covers 70 seabird species, explaining specific identification points with over 900 photographs and highly detailed descriptive text, all backed by an expertise based on years of research in the field, examination of museum specimen, and knowledge of ornithological literature. Each section is then further subdivided.

North America 159

North America Albatross America Species 159

10,000 Birds

JULY 5, 2022

In 2007 I was working in a university building that was just begging for bird feeders. He describes the change model he was using as follows: From my orientation, background, and bias, scholarly work must come first to document and establish a need for change.

New York City 259

New York City Birds Illinois Science 259

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 150

Birds North America 2012 America 150

10,000 Birds

JANUARY 13, 2012

The New Jersey Bird Records Committee (NJBRC) documents 465 species of natural origin. Used in conjunction with the species distribution maps, this is a helpful feature in evaluating field observations. There are, sadly, entries for extinct species. That Cattle Egret I found in Somerset County, August 2009?

New Jersey 196

New Jersey Birds 2009 Bald Eagle 196

10,000 Birds

SEPTEMBER 6, 2016

She doesn’t know the species till it emerges, almost dreamlike, from the heavy glare of the sun. There is also a third element, only hinted at in the opening–the environmental and scientific necessity of gathering this data to document the importance of keeping the Pacific Northwest waters healthy and uncontaminated by human elements.

Fox 100

Fox Albatross Geese Bald Eagle 100