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Accipitridae is a family of birds of prey which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight. White-tailed kite, Elanus leucurus; Swallow-tailed kite, Elanoides forficatus
The Peterson Field Guides (PFG) are a popular and influential series of American field guides intended to assist the layman in identification of birds, plants, insects and other natural phenomena. The series was created and edited by renowned ornithologist Roger Tory Peterson (1908–1996).
The Sibley Guide to Birds is a reference work and field guide for the birds found in the continental United States and Canada. It is written and illustrated by ornithologist David Allen Sibley . The book provides details on 810 species of birds, with information about identification, life history, vocalizations, and geographic distribution.
The large, colorful blue jay is a common sight for backyard bird watchers, and its range makes it a regular fixture in backyards and parks all over the entire eastern half the the United States.
National Geographic, with Alderfer, Paul Hess, and Noah Strycker, also published National Geographic Backyard Guide to the Birds of North America in 2011. A second edition was released in 2019. Like the pocket guide, this guide is 256 pages and outlines the 150 most common yard birds in North America.
The peak so far this season was during the cold front on Aug. 30, when radar measurements picked up an estimated 4.2 million birds crossing Oklahoma County. More than 500 types of birds pass ...
An estimated 877,000 birds flew across Oklahoma County on Monday night, according to the BirdCast Migration Dashboard. The peak so far this season was during the cold front last Friday, when radar ...
The Peterson Identification System is a practical method for the field identification of animals, plants and other natural phenomena. It was devised by ornithologist Roger Tory Peterson in 1934 for the first of his series of Field Guides [1] (See Peterson Field Guides.) Peterson devised his system "so that live birds could be identified readily ...