Wildlife of the World
Puzzle 36 · Monsoon Asia and Sundaland · Page 60 in print
Rhinoceros Hornbill
A female rhinoceros hornbill seals herself inside a tree hollow to nest; the male supplies food through the narrow opening while she incubates the eggs and cares for the young.
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A rhinoceros hornbill perches high in a tree in Indonesia.
Species reference for Rhinoceros Hornbill. The photograph does not necessarily show the population or place named in the puzzle.
(c) Piotr Lukasik, some rights reserved (CC BY) · CC BY 4.0 · Original recordImage changes
Resized and converted to JPEG for display; no subject alteration.

The rhinoceros hornbill's bright casque is visible through the foliage.
Species reference for Rhinoceros Hornbill. The photograph does not necessarily show the population or place named in the puzzle.
(c) Rhonda Ridley, some rights reserved (CC BY-SA) · CC BY-SA 4.0 · Original recordImage changes
Resized and converted to JPEG for display; no subject alteration.
The words
Cavity
The tree hollow used for nesting.
Pairs nest in existing tree cavities.
Courtship
The calling displays that form a pair.
Calling is an important part of rhinoceros hornbill courtship.
Duetting
Calling together as a pair; rhinoceros hornbills use these shared vocal performances.
Eggs
The clutch is one or two eggs.
Fig Fruit
Figs are their main food, 76.9% of the diet in one study.
Fledgling
A young bird ready to leave the nest.
The parents feed the young until they fledge at about four months.
Forest Canopy
The high forest where it lives.
Forest hornbills roost on branches under the forest canopy.
Fruit Peels
Part of the material that seals the nest.
The nest is sealed with mud, feces and fruit peels.
Hornbill
The rhinoceros hornbill has a hollow, upturned casque.
Java
The island of Java, part of its range.
Rhinoceros hornbills inhabit Java.
Malaysia
Rhinoceros hornbills inhabit Malaysia.
Rhinoceros
Part of this hornbill’s species name: the rhinoceros hornbill is Buceros rhinoceros.
Sealed Nest
The female seals herself inside the nest.
Slit
A small slit is left for the male to feed the female.
Sumatra
Rhinoceros hornbills inhabit Sumatra.
Sources
- Rhinoceros Hornbill (source capture)Animal Diversity Web, University of Michigan Museum of Zoology
- Rhinoceros Hornbill (source capture)San Diego Zoo Wildlife Alliance
- Rhinoceros Hornbill (source capture)Sarawak Forestry Department