Scientific Name: Aviceda leuphotes
Malay Name: Helang-Gerigi Hitam
Chinese Name: 黑冠鹃隼
Breeds along the lower slopes of the Himalayas through continental southeast Asia. Some populations migrate south to India, Peninsular Malaysia, Sumatra and west Java.
Polytypic. Subspecies are: syama, leuphotes, andamanica.
Size: 31.5-33 cm
Distinct black and white hawk with chestnut on the wings (hard to see in flight). Pale Pied Harrier has black restricted to the head and wing tips.
Similar looking species: Pied Harrier
Behaviour/Ecology: Often observed migrating in big numbers, forming tight, neatly arranged flocks when gliding. Typically arrives in Singapore later than the sparrowhawks and honey buzzards. Also frequently seen roosting in groups, especially (?) at wooded areas with high density of Acacia trees.
Local Status: Common migrant
Conservation Status: Least Concern (BirdLife International 2021)
Location: Observed migrating across key raptor watch sites. Flocks often observed wintering around Kranji and Lorong Halus.
BirdLife International. (2021). Aviceda leuphotes. The IUCN Red List of Threatened Species 2021. https://dx.doi.org/10.2305/IUCN.UK.2021-3.RLTS.T22694964A202412049.en. Accessed on 19 December 2021
Clark, W. S. & Kirwan, G. M. (2020). Black Baza (Aviceda leuphotes), version 1.0. In del Hoyo, J., Elliott, A., Sargatal, J., Christie, D. A., & de Juana, E. (Eds). Birds of the World. Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.blabaz1.01
Robson, C. (2014). Field guide to the birds of South-East Asia (Second Edition). Bloomsbury Publishing, London.