| Whitehead's trogon | |
|---|---|
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Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Trogoniformes |
| Family: | Trogonidae |
| Genus: | Harpactes |
| Species: | H. whiteheadi
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| Binomial name | |
| Harpactes whiteheadi Sharpe, 1888
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Whitehead's trogon (Harpactes whiteheadi) is a species of bird in the family Trogonidae. It is endemic to the island of Borneo, where it is an uncommon resident in primary mountain forest. One of Borneo's largest trogons at 29 to 33 cm (11 to 13 in) long, it is sexually dimorphic. The male is crimson on the head, nape, and underparts, with a black throat and grey chest; the rest of his upperparts are cinnamon-coloured. The female is similarly patterned, but cinnamon-brown where the male is scarlet. The species was first described for science by Richard Bowdler Sharpe in 1888, who named it for British explorer and collector John Whitehead. There are no subspecies.
It is primarily an insectivore, but also eats various plant materials, including fruits and seeds. Other than the timing of its breeding—typically between April and June—little is known about its breeding biology. The International Union for Conservation of Nature rates Whitehead's trogon as a near-threatened species. While its population numbers have not been quantified, the trogon is thought to be declining. Habitat loss is a key threat.