Grey-faced Buzzard
Encyclopedia
The Grey-faced Buzzard (Butastur indicus) is an Asia
n bird of prey
. It is typically between 41 and 46 cm in length, making it a medium-sized raptor
. It breeds in East Russia
, North China
, Korea
, and Japan
, and winters
in South-east Asia.
It is a bird of open land. It eats lizards, small mammals and large insects.
The adult has a grey head, breast and neck, white throat, black moustaches and mesial stripes, brown back and upperwings, and brown bars on white underparts and underwings. The juvenile is brown and mottled above, pale below with brown streaks, and has a broad white supercilium
and brown face.
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
n bird of prey
Bird of prey
Birds of prey are birds that hunt for food primarily on the wing, using their keen senses, especially vision. They are defined as birds that primarily hunt vertebrates, including other birds. Their talons and beaks tend to be relatively large, powerful and adapted for tearing and/or piercing flesh....
. It is typically between 41 and 46 cm in length, making it a medium-sized raptor
Bird of prey
Birds of prey are birds that hunt for food primarily on the wing, using their keen senses, especially vision. They are defined as birds that primarily hunt vertebrates, including other birds. Their talons and beaks tend to be relatively large, powerful and adapted for tearing and/or piercing flesh....
. It breeds in East Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
, North China
North China
thumb|250px|Northern [[People's Republic of China]] region.Northern China or North China is a geographical region of China. The heartland of North China is the North China Plain....
, Korea
Korea
Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...
, and Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
, and winters
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...
in South-east Asia.
It is a bird of open land. It eats lizards, small mammals and large insects.
The adult has a grey head, breast and neck, white throat, black moustaches and mesial stripes, brown back and upperwings, and brown bars on white underparts and underwings. The juvenile is brown and mottled above, pale below with brown streaks, and has a broad white supercilium
Supercilium
The supercilium is a plumage feature found on the heads of some bird species. It is a stripe which runs from the base of the bird's beak above its eye, finishing somewhere towards the rear of the bird's head. Also known as an "eyebrow", it is distinct from the eyestripe, which is a line which runs...
and brown face.
External links
- Migrating Grey-faced Buzzards in Taiwan, with photographs.