- Accipiter trivirgatus
Identification
30–46 cm (11¾-18 in); female larger than male
Short broad wings and long tail
Male
- Dark brown crown
- Yellow eyes
- Grey head sides
- Dark moustachial and mesial stripes
- Pale underparts has reddish breast streaks and bars on the belly
Female: head sides are browner, and underparts streaks and bars are brown
Juvenile: head feathers have pale fringes. Buff underparts. Grey eyes and lacks the dark mesial stripe
Similar Species
Besra: which is smaller and lacks the crest.
Distribution
Southern Asia: breeds in western India and Sri Lanka and from north-east India and the Himalayas east to south-central and southern China and Taiwan, south to the Malay Peninsula. Also occurs on Sumatra, Java, Borneo and the southern Philippine islands of Palawan, Negros, Leyte, Samar and Mindanao as well as numerous smaller islands. Resident.
Taxonomy
Subspecies
There are 11 subspecies[1]:
- A. t. indicus: India and Nepal to southern China, Indochina and Malay Peninsula
- A. t. peninsulae: South-western India
- A. t. layardi: Sri Lanka
- A. t. formosae: Taiwan
- A. t. trivirgatus: Sumatra
- A. t. niasensis: Nias Island (off western Sumatra)
- A. t. javanicus: Java (vagrant to Bali)
- A. t. microstictus: Borneo
- A. t. palawanus: South-western Philippines (Palawan and Calamianes)
- A. t. extimus: South-eastern Philippine Islands
- A. t. castroi: Polillo (off Luzon in northern Philippines)
Habitat
Lowland and hill forest up to about 2,000 m.
Behaviour
Flight Action
Typical goshawk action of flap, flap, glide. A woodland specialist which relies on surprise to ambush its prey.
Diet
Their diet consists of large insects, small mammals, reptiles; such as lizards and frogs, and birds.
Vocalisation
Mostly quiet. Screams when defending nest. Call is a screamed he, he, hehehehe
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved March 2016)
- Wikipedia
Recommended Citation
- BirdForum Opus contributors. (2024) Crested Goshawk. In: BirdForum, the forum for wild birds and birding. Retrieved 19 April 2024 from https://www.birdforum.net/opus/Crested_Goshawk
External Links
