10,000 Birds

AUGUST 27, 2013

2 of which make their home in the United States. All populations mentioned above for both species have occurred in North America, and larophiles already attempt to separate out these forms when possible. This coastal jay was photographed at Ano Nuevo State Park, CA. Photographed off Hatteras, NC.

San Francisco 172

San Francisco Fox Sparrows California 172

10,000 Birds

APRIL 4, 2023

.” They conclude that many non-vocalizing Empidonax flycatchers can be identified in the field, but only “when several field characters are used in combination–and after one has gained experience in looking at these characters on singing/calling and captive birds (i.e., known-identity).”**

Los Angeles 201

Los Angeles North America America Species 201

10,000 Birds

SEPTEMBER 10, 2014

The experience was marvelous — but it also weighed heavily on me. It shows that of 588 species assessed, 314 species in the continental United States and Canada will lose half or more of their current ranges by 2080 if global warming continues at its current pace (which is approximately 8 degrees F of warming by the end of the century).

Species 173

Species Science Los Angeles 2000 173

10,000 Birds

FEBRUARY 1, 2022

Lovich and Whit Gibbons bring decades of research and experience to this book. Dr. Lovich is a government scientist, Research Ecologist and Co-Deputy Chief, Terrestrial Ecosystems Drylands Branch, Southwest Biological Science Center, U.S. Press, 2006) or Ernst and Lovich’s text on turtles of North America, cited above.

Turtles 189

Turtles Tortoises Family Terrapins 189

10,000 Birds

MARCH 4, 2014

Any doubt I had about the need for a book about rare birds in the United States And Canada were wiped out on a Sunday evening in early February with two birding friends. Where did the Coney Island Gray-hooded Gull come from, Africa or South America? I kept wishing I had Rare Birds of North America , by Steve N.

North America 247

North America America Birds United States 247

10,000 Birds

DECEMBER 20, 2014

The magnificent history and diversity of birds on Earth came into sharper focus this month with the publication of 28 new scientific papers in Science and other journals. The Hoatzin, which may have reached South America by raft , has resisted placement in basically every study ever done. American Flamingo photo by Dick Culbert).

Family 279

Family Parrots Birds 2014 279

10,000 Birds

OCTOBER 5, 2021

Dragonflies and Damselflies of Costa Rica: A Field Guide by Dennis Paulson and William Haber fills a large gap in the field guide coverage of Costa Rica and continues the high level of excellence set by Paulson’s previous guides to dragonflies and damselflies of eastern and western North America.

Costa Rica 256

Costa Rica North America Family America 256