Adult Steller’s sea eagles measure up to 9 feet from wing tip to wing tip. [43] In winter, immature Steller's sea eagles may frequent slaughterhouses to pirate bits of offal. Ice reaches Hokkaido in late January. [29] Where feeding occurs in groups, kleptoparasitism is common. Birds The chicks are altricial and covered in whitish-down on hatching. Its large size (wingspan of over a metre) distinguishes it from other hawks, however it is considerably smaller than an eagle, with which it is often confused. [40][24], Mammalian carnivores are apparently readily hunted. The eaglets fledge in August or early September. Wingspan With 254 cm wide, the Steller’s Sea Eagle has the longest wingspan, followed by the White-tailed Eagle (244 cm) and the Wedge-tailed Eagle (232 cm). About 280 pairs are on Sakhalin Island and a few on the Kurile Islands. 380x Explorer. The Harpy Eagle comes in fourth place in the wingspan category. Normally, the parents catch about two or three fish for the young to eat each day. It is the largest of the dozen species called eagle to be found in Europe and is the largest eagle across its distribution, excluding the Russian Far East and during winter in Hokkaido where it co-exists with its larger cousin, Steller's sea eagle. [41] They also show a strong local preference for slaty-backed gulls (Larus schistisagus). [40] While pink and chum salmon average approximately 2,200 and 5,000 g (4.9 and 11.0 lb) in mature mass, respectively, Steller's sea eagle not infrequently preys on fish up to 6,000 to 7,000 g (13 to 15 lb). Sea Eagle 370. starting at $349 In Stock. We also use third-party cookies that help us analyze and understand how you use this website. Females, which grow somewhat larger than males, may reach 108 cm (43 inches) in length and have a wingspan of 2.5 metres (8 feet). This is not to mention the differing shape of the Steller's diamond-shaped tail and wings (paddle-like in Steller's against the square looking wings of the white-tailed), especially in flight, as well as a generally distinct under wing pattern. They share their wintering grounds with another eagle. The total population is around 3,200 breeding pairs. Steller's sea eagles that do migrate fly down to winter in rivers and wetlands in Japan, but will occasionally move to mountainous inland areas as opposed to the sea coast. [41] Persecution of the bird in Russia continues, due to its habit of stealing furbearers from trappers. They have golden eyes, yellow feet, and hooked yellow beaks. Necessary cookies are absolutely essential for the website to function properly. Juvenile plumage is largely a uniform dark soot-brown with occasional grey-brown streaking about the head and the neck, white feather bases, and light mottling on the rectrices. The wingspan of an eagle is correlated to the wing function and the environments where an eagle lives. As in other sea eagles, remiges and rectrices of the first-year plumage are longer than those of adults. [21][29] The young Steller's sea eagle has a dark brown iris, whitish legs, and blackish-brown beak. An adult eagle's body length ranges from 70 to 102 cm (28 to 40 in), with a wingspan of 1.8 to 2.3 m (5.9 to … You also have the option to opt-out of these cookies. Aquila) or "harpy eagles", all of these specializations developed in the aid of capturing fish rather than medium-sized mammals and large birds, although clearly these are not excluded from capture. [31] In coastal areas, nesting eagles may feed on Bering wolffish (Anarchichas orientalis), Hemitripterus villosus, smooth lumpfish (Aptocyclus ventricosus) and Myoxocephalus spp. With its long broad wings and longish tail, it has a different outline to the smaller buzzard. Steller's Sea Eagle, 250 cm (98.4 inches) Steller’s sea eagle is one of the largest birds of prey found … Wingspan-The wingspan of a Steller’s sea eagle ranges from 1.95 m to 2.5 m. The wingspan of a harpy eagle ranges between 1.76 m to 2.24 m. Diet-Steller’s sea eagle diet consists of fish, crabs, salmon, trout, squid, small animals, and squid. The current population is estimated at 5,000 and decreasing. It likes to soar and glide on air currents, holding its wings in a shallow 'V'. The sea eagle is an impressive specimen, boasting a wingspan of up to eight feet and a beak capable of doing serious damage to its prey. There are no more than 5,000 of these magnificent birds worldwide and nearly half the population congregates on the sea ice here each winter. One video shows a golden eagle engaging an immature Steller's in a conflict and ultimately displacing it after maintaining a superior grip despite its smaller size. "Steller's sea eagle" has been designated the official name by the International Ornithologists' Union (IOC). Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The Steller's sea eagle is less prone to vagrancy than the white-tailed eagle, as it lacks the long-range dispersal typical of juveniles of that species,[36][37] but vagrant eagles have been found in North America, at locations including the Pribilof Islands and Kodiak Island, and inland in Asia to as far as Beijing in China and Yakutsk in Russia's Sakha Republic, and south to as far as Taiwan. The golden eagle is a very large raptor, 66 to 102 centimetres (26 to 40 in) in length. Tingay, R. E., & Katzner, T. E. Around 4,000 of these eagles live there. Learn More. On Hokkaido, eagles concentrate in coastal areas and on lakes near the coast, along with substantial numbers of white-tailed eagles. [6] Dutch naturalist Coenraad Jacob Temminck named it Falco leucopterus "white winged eagle" in 1824,[7] and Heinrich von Kittlitz called it Falco imperator in 1832. [45], Steller's sea eagles hunt most commonly from a perch in a tree or rocky ledge located 5–30 m (16–98 ft) above the water, although they may also hunt on the wing, while circling 6–7 m (20–23 ft) above the water. [17], First and intermediate plumages are difficult to distinguish from those of the white-tailed eagle, which co-occurs in the entire breeding range of the Steller's. starting at $899 expected 12/11. Females are larger than males, with a bigger difference in larger subspecies. [41] Common and thick-billed murres (Uria aalge and U. lomvia, respectively) dominated the diet around the Sea of Okhotsk, followed by black-legged kittiwakes (Rissa tridactyla), slaty-backed gulls, crested auklets (Aethia cristatella), and pelagic cormorants (Phalacrocorax pelagicus). [8] George Robert Gray moved the species into the genus Haliaeetus in 1849.[9]. About 500 pairs live in the Khabarovsk region of the Okhostsk coast, and 100 on the Shantar Islands. Also known as the sea-eagle, the white-tailed eagle is the largest bird of prey in the UK and the fourth largest eagle in the world. [55], In Kamchatka, 320 pairs have been recorded. Alternate nests are usually built within 900 m (3,000 ft) of each other. Their diamond-shaped, white tails are relatively longer than those of the white-tailed eagle. (Abstract) Source-sink populations of the Steller's Sea Eagles (. [3][20] The Steller's sea eagle's absolute maximum wingspan is less certain; many sources place it at up to 2.45 m (8 ft 2 in). [12][29], Courtship, which usually occurs between February and March, and reportedly simply consists of a soaring flight above the breeding area. [40] Like most Haliaeetus eagles, they hunt fish almost exclusively in shallow water. [29] This eagle has been recorded preying occasionally on young seals. The Harpy Eagle comes in fourth place in the wingspan category. [3][29] A very rare dark morph, once regarded as a separate subspecies H. p. niger, lacks white in its plumage, except for the tail. Following their decline during the Industrial Revolution, the birds were reintroduced in Scotland in the 1970s and their population has grown ever since, with 130 breeding pairs set to soar to 700 by 2040. [29] Clutches can contain from one to three eggs, with two being the average. Wingspan With 254 cm wide, the Steller’s Sea Eagle has the longest wingspan, followed by the White-tailed Eagle (244 cm) and the Wedge-tailed Eagle (232 cm). Occasionally, the smaller species may steal a fish away from the Steller's, especially if it is distracted by aggression from conspecifics, and both juvenile and adult Steller's may lose fish to the smaller species even face-to-face, especially a less assertive bird, such as immature Steller's.

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