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22 de may. de 2024 · Feather. Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates [1] [2] and a premier example of a complex evolutionary novelty. [3]
Hace 6 días · Order: Charadriiformes Family: Scolopacidae. Scolopacidae is a large, diverse family of small to medium-sized shorebirds including the sandpipers, curlews, godwits, shanks, tattlers, woodcocks, snipes, dowitchers, and phalaropes. The majority of these species eat small invertebrates picked out of the mud or soil.
Hace 2 días · In addition, the 64N6 (NATO: "Big Bird") radar was used as a search radar at the regimental command post (an S-300PMU regiment typically consisted of three missile batteries). The S-300PMU could engage targets with a radar cross section of at least 0.2 square metres (2.2 sq ft) and a maximum velocity of 1,300 metres per second (4,300 ft/s) at altitudes between 25 metres (82 ft) and 27,000 ...
22 de may. de 2024 · A form of social grooming among birds, in which one bird preens another or a pair does so mutually. At times it may be used to redirect or sublimate aggression, such as one bird assuming a solicitation posture to indicate its non-aggression and invite allopreening by the aggressive individual. [9] alternate plumage.
22 de may. de 2024 · Eurasian eagle-owl. See text . The Eurasian eagle-owl ( Bubo bubo) is a species of eagle-owl, a type of bird that resides in much of Eurasia. It is also called the Uhu and it is occasionally abbreviated to just the eagle-owl in Europe and Asia. [4] It is one of the largest species of owl.
20 de may. de 2024 · The common starling ( Sturnus vulgaris ), also known as the European starling in North America and simply as the starling in Great Britain and Ireland, is a medium-sized passerine bird in the starling family, Sturnidae. It is about 20 cm (8 in) long and has glossy black plumage with a metallic sheen, which is speckled with white at some times ...
Hace 6 días · The red-winged blackbird ( Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North America and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern ...
