fish-owl

Another example of an important trophic relationship is that which has evolved between the Blakiston's fish-owl and its main prey Arctic grayling Thymallus arcticus and lenok Brachymstax lenok, which in tern rely on the stable riverine conditions that are provided by the untouched river valleys.

Central Sikhote-Alin, Russian Federation 2008

The nocturnal birds of prey of which nests are likely to be found in January are the brown fish-owl (_Ketupa ceylonensis_) and the rock and the dusky horned-owls (_Bubo bengalensis_ and _B. coromandus_).

A Bird Calendar for Northern India Douglas Dewar 1916

This owl is probably called the fish-owl because it lives near rivers and tanks and invariably nests in the vicinity of water.

A Bird Calendar for Northern India Douglas Dewar 1916

December marks the beginning of the nesting season for three large owls -- the brown fish-owl, the rock horned-owl and the dusky horned-owl.

A Bird Calendar for Northern India Douglas Dewar 1916

The bird in question, although called a fish-owl, does not live chiefly on fish.

A Bird Calendar for Northern India Douglas Dewar 1916

The dusky horned-owl builds a stick nest in a tree, the rock horned-owl lays its eggs on the bare ground or on the ledge of a cliff, while the brown fish-owl makes a nest among the branches or in a hollow in the trunk of a tree or on the ledge of a cliff.

A Bird Calendar for Northern India Douglas Dewar 1916

The rock horned-owl (_Bubo bengalensis_) is of the same size as the fish-owl, and, like the latter, has aigrettes and orange-yellow orbs, but its legs are feathered to the toes.

A Bird Calendar for Northern India Douglas Dewar 1916

Bonelli's eagle, the tawny eagle, the brown fish-owl, the rock horned-owl, the raven, the amadavat and the white-throated munia.

A Bird Calendar for Northern India Douglas Dewar 1916

The brown fish-owl (_Ketupa ceylonensis_) is a bird almost as large as a kite.

A Bird Calendar for Northern India Douglas Dewar 1916

As regards the call of the brown fish-owl the writer has been trying for the past three or four years to determine by observation which of the many nocturnal noises are to be ascribed to this species.

A Bird Calendar for Northern India Douglas Dewar 1916