According to Wells (1999), the only call recorded locally of the Crested Goshawk (Accipiter trivirgatus) “is a high-pitched, sunbird-like squeak, chiuo, from an anxious captive adult.” Strange (2000) report another call, “a shrill, prolonged scream he-he-he-he-he.”
Jeremiah Loei’s video of the call, although not too audible against the loud background noise, conforms more to Wells’ than to Strange’s.
Most members of the Accipitridae are quite vocal during the breeding season (Thiollay (1994). These vocalisations are associated with reproduction, copulation, brood care, aerial displays, pair bonding, territorial defence and aggression. Outside the breeding season this raptor is usually silent.
The video of preening is shown below.
1st February 2017
1. Strange, M. (2000) A photographic guide to the birds of Malaysia and Singapore. Hongkong: Periplus Editions.
2. Thiollay, J. M., 1994. Family Accipitridae (Hawks and Eagles). In: del Hoyo, J., Elliott, A. & Sargatal, J. eds. Handbook of the birds of the world. Vol. 2. New world vultures to guineafowl. Lynx Editions, Barcelona. Pp. 52-205.
3. Wells, D.R., 1999. The birds of the Thai-Malay Peninsular. Vol. I, Non-passerines. Academic Press, London. 648 pp.
This post is a cooperative effort between Birds, Insects N Creatures Of Asia and BESG to bring the study of birds and their behavior through photography and videography to a wider audience.