The crested honey buzzard (Pernis ptilorhynchus)[3] 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 57–60 cm (22–24 in). 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 (5,900 ft). 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. Juveniles may have adopted Batesian mimicry to deter predators.
^BirdLife International (2016). "Pernis ptilorhynchus". IUCN Red List of Threatened Species. 2016: e.T22694995A93483912. doi:10.2305/IUCN.UK.2016-3.RLTS.T22694995A93483912.en. Retrieved 24 October 2021.
^Dickinson, E.C. (2012). "The first twenty livraisons of Les Planches Coloriées d'Oiseaux of Temminck & Laugier (1820–1839): IV. Discovery of the remaining wrappers". Zoological Bibliography. 2 (1): 34–49.
^"Pernis ptilorhynchus (Crested Honey Buzzard)". Integrated Taxonomic Information System. Retrieved 15 May 2016.
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