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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 ...
Measurements: [2]. Length: 5.1–5.9 in (13–15 cm); Weight: 0.5–0.6 oz (13–18 g); Wingspan: 8.7 in (22 cm); The male is easily recognized by its bright blue head and back (lighter than the closely related indigo bunting), its conspicuous white wingbars, and its light rusty breast and white belly.
Song sparrow ID, including sound and video, at Cornell Lab of Ornithology; Song sparrow facts at BirdHouses101.com; Song sparrow at Xeno-canto; Song sparrow - Melospiza melodia - USGS Patuxent Bird Identification InfoCenter "Song sparrow media". Internet Bird Collection. Song sparrow photo gallery at VIREO (Drexel University)
An online identification article covering this species and other small calidrids at surfbirds.com; Least sandpiper species account - Cornell Lab of Ornithology; Least sandpiper - Calidris minutilla - USGS Patuxent Bird Identification InfoCenter; Least sandpiper photos at Oiseaux.net "Least sandpiper media". Internet Bird Collection.
Automated species identification is a method of making the expertise of taxonomists available to ecologists, parataxonomists and others via digital technology and artificial intelligence. Today, most automated identification systems rely on images depicting the species for the identification. [ 1 ]
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This bird can range from 23 to 32 cm (9.1 to 12.6 in) in length, 46 to 56 cm (18 to 22 in) in wingspan and 73–155 g (2.6–5.5 oz) in body mass. [ 13 ] The call of this bird is more mellow than that of the long-billed dowitcher, and is useful in identification, particularly of the difficult adult plumages.
The American bushtit, or simply bushtit (Psaltriparus minimus), is a social songbird belonging to the genus Psaltriparus.It is one of the smallest passerines in North America and it is the only species in the family Aegithalidae that is found in United States; the other seven species are found in Eurasia.