10,000 Birds

MAY 5, 2015

Birding by Impression is a conscious, deliberate method of identifying and recognizing birds based on the study and evaluation of “distinctive structural features and behavioral movements” and comparison with nearby and similar species. So say Kevin T. Gladwell is a good read, but not credible scientific support.

Birds 174

Birds New Jersey Science Groups 174

10,000 Birds

APRIL 2, 2019

It will be interesting to see if the proposal is adopted and this guide becomes the first to employ the new official usage, or if it sparks other bird guide authors to revolt against the system. In some species accounts, notably Song Sparrow, this text reads as a carefully researched, finely detailed ornithological/historical essay.

North America 164

North America Sparrows America United States 164

10,000 Birds

NOVEMBER 14, 2017

(SOPI) is the leading ornithological organization and it performs research, education, and outreach. Much of the research regarding Caribbean ecology and ornithology has been conducted in Puerto Rico. Although most conservation research focuses on northern breeding grounds, many ABA Area birds spend most of the year elsewhere.

Puerto Rico 170

Puerto Rico Virgin Islands Hawaii United States 170

10,000 Birds

JULY 2, 2019

Species Accounts vary greatly in length, from nine pages for Undulated Antpitta to two pages for Alta Floresta Antpitta, length depending not only on how much we know about the bird but also Greeney’s tendency to thoroughly discuss, even argue, any kind of confusion in documentation, taxonomy, or research results.

Research 155

Research Eggs South America Costa Rica 155