Writhed hornbill
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The writhed hornbill, also known as the Mindanao wrinkled hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to primarily lowland forests on the Philippine islands of Mindanao
Writhed Hornbills Mindanao H8O1920
A captive male
An illustration of a male
Rufous hornbill
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The rufous hornbill, also known as the Philippine hornbill and locally as kalaw, is a large species of hornbill endemic to the Philippines. It is called the "clock-of-the-mountains" by locals, because
Writhed hornbill
…out in feeding the female and chick have not been observed with this species so far. Among Philippine hornbills, it has only been recorded with the Rufous hornbill. Species specific information on its breeding habits are limited. Nest has been recorded in March but fledged young also recorded as early as January…
Roufus Hornbill
Southern Rufous Hornbill
A captive ssp. semigaleatus
A 2007 Philippine postal stamp incorrectly labelling a Rufous hornbill as a Writhed hornbill