Ocyceros gingalensis (Shaw, 1812)

Nomenclature and Size

The Sri Lanka grey hornbill, scientifically named Ocyceros gingalensis (Shaw, 1812), is a large bird that reaches 45 centimetres (18 inches) in length.

Plumage Coloration (Upper Body)

It has grey wings with black primary flight feathers, a grey back, and a brown crown.

Plumage Coloration (Tail and Underparts)

Its long tail is blackish with white sides, and its underparts are white.

Bill Characteristics

The bird’s long, curved bill lacks a casque.

Sexual Dimorphism

Male and female adults have similar overall appearance, but the male has a cream-coloured bill, while the female’s bill is black with a cream stripe.

Immature Bird Features

Immature birds have dark grey upperparts, a cream bill, and a tail with a white tip.

Flight Traits

This species has a flight that is both slow and powerful.

Social Behavior and Habitat

The Sri Lanka grey hornbill is a gregarious bird that inhabits forest habitats.