AT A GLANCE
- Common Name: White-crowned Hornbill
- Scientific Name: Berenicornis comatus
- Category: Birds
- Subcategory: Hornbills
- Range: Sundaland region of Southeast Asia, native to southern Myanmar, peninsular Thailand, Peninsular Malaysia, Sumatra, and Borneo
- Habitat Type: Dense primary lowland tropical rainforests, hill dipterocarp forests, alluvial riverine forests, and swampy jungle understory below 900 meters elevation
- IUCN Red List Status: Endangered
- Lifespan: 15 to 25 years (up to 30 years in captivity)
- Diet: Carnivorous/Frugivorous (snakes, lizards, small birds, bats, giant grubs, centipedes, supplemented by oily lipid-rich jungle fruits and figs)
- Average Size/Weight: Total length 75 to 85 cm; wingspan 100 to 120 cm; weight 1.2 to 1.5 kg
- Key Defining Feature: Spectacular black-and-white hornbill crowned with an immense, bushy, erect crest of snowy-white feathers resembling a wild feathered punk hairdo, and bright blue facial skin
Overview
The White-crowned Hornbill (Berenicornis comatus), also known as the White-crested Hornbill, is one of the most distinctive, striking, and ecologically specialized hornbills in the ancient rainforests of Southeast Asia. Sole member of the genus Berenicornis, this magnificent bird is celebrated for its wild, upright headdress of dense, snowy-white feathers that sweeps skyward like a shock of white hair. Unlike many fruit-dependent hornbills, it is primarily a fierce carnivorous hunter that stalks the dense lower tangled vine tangles of primary jungles.
Biology and Physical Characteristics
Berenicornis comatus is a large, imposing hornbill with glossy black wings, back, and thighs, contrasting with a pure white chest, neck, and long, graduated white-tipped tail. Its most eye-catching anatomical glory is its enormous, dense, spiky white crown crest that erupts from its forehead and nape, standing perpetually erect. Surrounding its dark eyes and throat is an area of bare, vibrant turquoise-blue and pale yellow facial skin. It possesses a heavy, serrated, blackish-grey bill adorned with a low, ridged casque along the culmen. Males have a pure white throat and neck, while females have black cheeks and neck.
Behavior and Ecology
White-crowned Hornbills live in cohesive, cooperative social groups of three to eight birds led by a dominant breeding pair assisted by several non-breeding helpers. Rather than soaring over the forest canopy, they spend much of their time hunting through the dense understory and mid-canopy, clinging to lianas and tearing apart epiphytes and rotting logs to extract large huntsman spiders, tree snakes, and roosting bats. Breeding pairs nest in natural hollow cavities of ancient dipterocarp trees; the female seals herself inside the hollow using mud and regurgitated fruit pulp, leaving only a narrow vertical feeding slit through which her mate and helper birds pass food until the chick fledges.
Conservation and Human Impact
The White-crowned Hornbill is classified as Endangered on the IUCN Red List. It is severely threatened across its Sundaic range by rampant lowland deforestation, the conversion of ancient dipterocarp rainforests into oil palm monocultures, and targeted poaching for bushmeat and ornamental feathers.
Interesting Factoid
The White-crowned Hornbill looks like a jungle rockstar with an upright, wild snowy-white punk mohawk that stands straight up in the air even when it flies through the rainforest.