Steller's Sea Eagles, Kamchatka, Russia

The birds have been found in North America but this are considered to be individual eagles that have strayed from Asia, and they are not known to nest anywhere in North America. This species is classified as Vulnerable. The main threats to its survival are habitat alteration, industrial pollution and over-fishing. The current population is estimated at 5,000 and decreasing.
The Steller's Sea-eagle mainly feeds on fish. Favored prey include salmon (Onchorhynchus spp.), trout and cod. Besides fish, it also preys on water-dwelling birds (including ducks, geese, swans, cranes and gulls), various mammals, crabs, squid and carrion. This eagle may prey on young seals, but seals are generally more likely to be eaten as carrion. This eagle builds several aeries (height, 150 cm; diameter up to 250 cm) high up on trees and rock. It is possible that the eagles change occasionally between these nests.