| Hairy-backed bulbul | |
|---|---|
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Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Pycnonotidae |
| Genus: | Tricholestes Salvadori, 1874 |
| Species: | T. criniger |
| Binomial name | |
| Tricholestes criniger (Blyth, 1845) | |
 | |
| Synonyms[2] | |
(Genus)
(Species)
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(Tricholestes criniger) is asongbirdspecies in thebulbulfamily, Pycnonotidae. It is the sole species contained within the monotypicgenusTricholestes.[2] It is found on theMalay Peninsula,Sumatra, andBorneo. Its naturalhabitat is subtropical or tropical moist lowlandforests.[1]
The hairy-backed bulbul was originally described in the genusBrachypodius (a synonym forPycnonotus). Alternatively, some authorities have classified the hairy-backed bulbul in the generaTrichophorus (a synonym forCriniger) andHypsipetes.
Three subspecies are currently recognized:[3]
The hairy-backed bulbul is a small (16–17 cm long, weigh 12–21 g), relatively quiet bulbul with a slightly rounded tail and strongrictal bristles. It is olive above and yellowish below, with key features including pale yellowish lores and a broadeye ring, a dark rufescent olive-brown cap and neck, olive-rufous uppertail-coverts and upperwings, a bright rufous-brown tail with creamy white tips, a creamy white chin and throat merging into a yellow breast, and hair-likefiloplumes on the back (often concealed). It has small, weak legs and feet, a dark brown iris, a light blue-grey bill, and pale greenish-brown legs. Sexes are similar, with females slightly smaller. Juveniles have a grey-brown iris and pale fleshy pink legs. The subspeciessericeus is larger than the nominate form, with duller yellow undertail-coverts; andviridis is similar, but brighter on the upperparts.[4]
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