Aceros cassidix (male) |
Knobbed Hornbills are monogamous, often for life, and are usually found in pairs. Both sexes have large yellow bills and pale blue skin around the eyes and throat. Males have a very large red casque on their heads, and light colored feathers on the neck. Females are smaller in size over, have short yellow casques, and black necks.
Female |
One other fun fact that I found about these birds is that they are sometimes referred to as "Year Birds" by the locals. This name references the red stripe-plates on the sides of the bills, which were thought to identify the bird's age. In truth, those plates can fall off and be replaced, so they aren't very good indicators!
IUCN Status : Vulnerable
Location : Indonesia
Size : Length up to 3ft (.9m)
Classification : Phylum : Chordata -- Class : Aves -- Order : Coraciiformes
Family : Bucerotidae -- Genus : Aceros -- Species : A. cassidix
Family : Bucerotidae -- Genus : Aceros -- Species : A. cassidix
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