SPECIES

Malabar Gray Hornbill Ocyceros griseus

Divya Mudappa and T. R. Shankar Raman
Version: 2.0 — Published July 9, 2020

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Adult female
Adult male
Immature female
Adult male
Female
Flock
Head detail of male Malabar Gray Hornbill.

The casque on the bill is not protuberant, but present as a low ridge along the culmen extending to the bill tip. Bill is tawny cinnamon becoming orange-yellow towards the tip. The skin around the eyes and on throat is black. Eyes are amber.

Head detail of female Malabar Gray Hornbill.

Bill in adult female ivory white to pale yellow with irregular dark patches along culmen and at the base of lower mandible. Iris is dark brown.

Juvenile Malabar Gray Hornbill.

Overall juveniles are paler than adults, with a fulvous tinge about the vent, and with conspicuous fulvous-edged wing coverts. Iris is gray to brown.

Juvenile Malabar Gray Hornbills.

Tail feathers are edged with pale gray, except the outer feathers that are tipped white.

Juvenile Malabar Gray Hornbill.
Young male almost in adult plumage.

Sub-adults may have only traces of pale edging on wing coverts and rectrices.

Male Malabar Gray Hornbill.

Grayish-white streaks on head, crown, throat, and upper breast. White tail tip is usually visible as a terminal white band on the underside. In males, the bill is dusky orange-yellow, becoming paler towards the tip. The skin around the eyes and on the throat is black; the eyes are amber.

Female Malabar Gray Hornbill.

Gray and black-and-white plumage, a broad pale eyebrow stripe, and light gray underparts with fulvous undertail coverts. Female is smaller than male, the bill pale is yellow to ivory colored, blackish patches or a line extends along the top of the culmen to the tip of the upper mandible, and black at base of lower mandible; small brown patch on the base of the upper mandible in front of the eyes; eyes dark brown with dark orbital skin.

Malabar Gray Hornbill in flight.

In flight, has white wing tips (primaries) and narrow white carpal patch, gray wing lining and blackish underside of primaries.

Malabar Gray Hornbill consuming food.
Male Malabar Gray Hornbill consuming a fig fruit.
Female Malabar Gray Hornbill on Sterculia guttata pods.
Male Malabar Gray Hornbill with a forest lizard.
Malabar Gray Hornbill consuming fruit.
Malabar Gray Hornbill with caterpillar.
Malabar Gray Hornbills consuming fruit.
Malabar Gray Hornbills consuming fruit.
Malabar Gray Hornbills consuming insect.
Male Malabar Gray Hornbill consuming Black Pepper seed (Piper nigrum).
Malabar Gray Hornbill in flight.
Malabar Gray Hornbill in flight.
Malabar Gray Hornbill preening.
Malabar Gray Hornbills dust-bathing.
Malabar Gray Hornbills courtship feeding.
Malabar Gray Hornbills copulating.
Malabar Gray Hornbills copulating.
Male Malabar Gray Hornbill at opening of nest cavity.

The female enters the nest cavity and seals the cavity opening with her droppings forming a seal with a slit-like opening through which the male feeds her for nearly twelve weeks

Male Malabar Gray Hornbill at nest tree.

Nest trees tend to be tall and wide.

Female Malabar Gray Hornbill looking out of nest cavity.
Female Malabar Gray Hornbill at nest.
Male Malabar Gray Hornbill at nest cavity.
Male Malabar Gray Hornbill at nest cavity.
Male Malabar Gray Hornbill at nest cavity.

Recommended Citation

Mudappa, D. and T. R. S. Raman (2020). Malabar Gray Hornbill (Ocyceros griseus), version 2.0. In Birds of the World (S. M. Billerman and B. K. Keeney, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.maghor2.02