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Feathers are also valuable in aiding the identification of species in forensic studies, particularly in bird strikes to aircraft. The ratios of hydrogen isotopes in feathers help in determining the geographic origins of birds. [52] Feathers may also be useful in the non-destructive sampling of pollutants. [53]
In the 1960s, Laybourne created the field of forensic ornithology, studying minute fragments of bird feathers in order to identify which birds were ingested into aircraft engines, often causing crashes. The field expanded to cover endangered species and criminal investigations. Creator/Photographer: Unidentified photographer
The soft feathers on the underside of the bird Lesser sickles Long curved feathers of the tail, below the sickles only in cock birds Main tail feathers The long straight feathers forming the tail, under the tail coverts Muff Feathers projecting below and around the eyes only in bearded breeds Neck hackles The long feathers of the neck
Red kite (Milvus milvus) in flight, showing remiges and rectrices. Flight feathers (Pennae volatus) [1] are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (/ ˈ r ɛ m ɪ dʒ iː z /), singular remex (/ ˈ r iː m ɛ k s /), while those on the tail are called rectrices (/ ˈ r ɛ k t r ...
This resulting covering of feathers, which will last either until the next breeding season or until the next annual moult, is known as the basic plumage. Many species undertake another moult before the breeding season known as the pre-alternate moult , the resulting breeding plumage being known as the alternate plumage or nuptial plumage.
The juvenile osprey may be identified by buff fringes to the plumage of the upperparts, a buff tone to the underparts, and streaked feathers on the head. During spring, barring on the underwings and flight feathers is a better indicator of a young bird, due to wear on the upperparts. [29]
Typical owls are small to large solitary nocturnal birds of prey. They have large forward-facing eyes and ears, a hawk-like beak, and a conspicuous circle of feathers around each eye called a facial disk. Twelve species have been recorded in Maine. Eastern screech-owl, Megascops asio (R except in York County) Great horned owl, Bubo virginianus
Carla J. Dove (born October 17, 1962) is an American researcher who specializes in identifying birds that have gotten trapped in airplane engines, known as bird strikes. She is currently the Program Manager for Feather Identification Lab in the Division of Birds at the National Museum of Natural History. Her work helps promote wildlife safety ...