Crested honey buzzard found in Colombo city, Sri Lanka | Oriental honey buzzard - Wild World TV

Crested honey buzzard found in Colombo city, Sri Lanka | Oriental honey buzzard - Wild World TV
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The crested honey buzzard is a bird of prey in the family Accipitridae, which also includes many other diurnal raptors such as kites, eagles, and harriers. Pernis ptilorhynchus has six subspecies. As a medium-sized raptor, their size ranges between 57-60cm. They are also known as the Oriental, Asiatic, or Eastern honey buzzard. The name is derived from its diet, which consists mainly of the larvae of bees and wasps extracted from honey combs.
Crested honey buzzards migrate for breeding to Siberia and Japan during the summer. They then spend the winter in Southeast Asia and the Indian subcontinent. They are also a year-round resident in these latter areas. They prefer well-forested areas with open spaces and are found from sea level up to 1,800 m. Unusually for raptors, the sexes can be differentiated.
The species has several adaptations for its specialist diet. These include an elongated head for foraging on underground nests and a groove in the tongue for feeding on honey. A mass of short, dense feathers on the head and neck protect against stinging attacks by social wasps.
The crested honey buzzard is a summer migrant to Siberia and Japan, wintering in tropical Southeast Asia and the Indian subcontinent. It leaves Siberia in late August and returns in May. The summer sojourn in Japan is April-May to mid-September.  Elsewhere, it is more or less resident. Crested buzzards that migrate from breeding areas in Japan to wintering areas in Southeast Asia fly over the East China Sea. This 700km nonstop flight over water is possible because during autumn, winds over the sea blow in the same direction as the birds' direction of flight.
The crested honey buzzard prefers well-forested lowland and hilly areas that are broken by open glades. In South and Southeast Asia it is sometimes found in small groves near villages. It is found from sea level to 1,500m, occasionally up to 1,800m. During migrations it goes above 3,000m.
The crested honey buzzard is a specialist feeder, living mainly on the larvae of social bees and wasps, and eating bits of comb and honey. It takes other small insect prey such as cicadas. It occasionally eats small birds, reptiles and frogs like other raptors
The crested honey buzzard breeds in woodland, and is inconspicuous except in the spring, when the mating display includes wing clapping. The display of roller coasting in flight and fluttering wings at the peak of the ascent are characteristic of the genus Pernis. It is as yet uncertain whether the roller coaster display is related to courtship. The breeding season in the migratory range is June to mid-September for central Siberia and April to August in Japan. In India, it is April-June, though it starts in February in South India.
The nest is a platform of sticks 40-80cm across, lined with dry or green leaves. It is located at a height of 10-28m in conifers in the north, and 6-20m in banyan, mango, casuarina or coconut in India. The female normally lays two eggs. The color is variable, ranging from pale cream to chestnut brown. Incubation takes 4-5 weeks, the chicks are fledged in 5-6 weeks and they become independent after a further 58 weeks. Male and female share the responsibilities of rearing the young.
Scientific classification -
Domain - Eukaryota
Kingdom - Animalia
Phylum - Chordata
Clade - Dinosauria
Class - Aves
Order - Accipitriformes
Family - Accipitridae
Genus - Pernis
Species - P. ptilorhynchus
Binomial name - Pernis ptilorhynchus - (Temminck, 1821)
Synonyms -
Falco ptilorhynchus Temminck, 1821
Falco ptilorhyncus Temminck, 1822
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