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
Roufus Hornbill
Southern Rufous Hornbill
A captive ssp. semigaleatus
A 2007 Philippine postal stamp incorrectly labelling a Rufous hornbill as a Writhed hornbill
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
Rufous hornbill
…recorded to have been preyed upon by the Philippine eagle. Seen in flocks of up to 12 birds, the Southern rufous hornbill is occasionally seen with Writhed hornbills forming flocks of up to 20. Rufous Hornbills play a crucial role in maintaining the balance of their ecosystem. They are considered a keystone species…