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The eagle then flies back to its perch to eat its catch. Like other sea eagles, the African fish eagle has structures on its toes called spiricules that allow it to grasp fish and other slippery prey. The osprey, a winter visitor to Africa, also has this adaptation. African fish eagles usually catch fish around 200 to 1,000 g (0.44 to 2.20 lb ...
The genus was established by René-Primevère Lesson in 1843, to accommodate a single species, the grey-headed fish eagle, which is therefore considered as the type species. Lesson used two spellings for its name: I c thyophaga and I c thy io phaga , but not I ch thyophaga .
The origin of the sea eagles and fishing eagles is probably in the general area of the Bay of Bengal. During the Eocene / Oligocene , as the Indian subcontinent slowly collided with Eurasia , this was a vast expanse of fairly shallow ocean; the initial sea eagle divergence seems to have resulted in the four tropical (and Southern Hemisphere ...
Steller's sea eagles near Rausu, Hokkaido, in Japan: catching a fish (top) and carrying a fish (bottom) Steller's sea eagle mainly feed on fish and are apex predators of their environment. Their favored prey in river habitats are salmon and trout (of the Pacific salmon genus; Oncorhynchus spp.). [52]
The osprey (/ ˈ ɒ s p r i,-p r eɪ /; [2] Pandion haliaetus), historically known as sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor , reaching more than 60 cm (24 in) in length and 180 cm (71 in) across the wings.
It is also dynamic in prey pursuit and can catch fish in rough water such as rapids. [3] Both species in the genus Ichthyophaga have strongly recurved talons like the osprey (Pandionidae) a specialisation for catching fish, which is lacking in the genus Haliaeetus (sea eagles). [12] Grey-headed fish eagle with a freshly caught tilapia fish.
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However, the mean daily intake of Pallas's fish eagle was slightly higher still at 623 g (1.373 lb) and the fish eagle would perch slightly higher than the imperials as well. In one case, a flock of 9 steppe eagles was able to pirate a freshly caught coot from an imperial eagle. The imperial was the most inactive forager here, having spent 36% ...