The yellow-casqued hornbill, an African forest bird, can tell the difference between the alarm call that monkeys make in response to an approaching leopard, which is not a threat to the birds, and the ...

If you liked this story, share it with other people. Hornbills are as peculiar, as they are magnificent. Their calls especially, can sound rather strange to the uninitiated—some grunt, some growl, and ...

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The mist hung heavy on the Kinabatangan River on the July morning I looked for helmeted hornbills, one of the most elusive and endangered birds in the world. Everything was wet from days of afternoon ...

If you liked this story, share it with other people. A new study of the endemic and rare Visayan tarictic hornbill (Penelopides panini) on Negros Island in the Philippines shows that the population of ...