Red-naped Trogon
Harpactes kasumba
Incandescently beautiful but sluggish and surprisingly hard to detect, this is a species of moist lowland and foothill forest. Male has a black head, bright red nape and underparts, brownish-orange back, and black-and-white-barred wings. Female is brownish with a yellow breast and belly. Both sexes have bright blue eye-rings and bills. Gives a series of gulpy squeaks: “kyew, kyew, kyew, kyew”.
Identification
The red-naped trogon (Harpactes kasumba) is a species of bird in the family Trogonidae. It is found in Brunei, Indonesia, Malaysia, and Thailand. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Taxonomy
Genus: Harpactes; Family: Trogonidae; Order: Trogoniformes.
- Scientific name
- Harpactes kasumba
- Authority
- (Raffles, 1822)
- Order
- Trogoniformes
- Family
- Trogonidae
- Genus
- Harpactes
Range and habitat
The red-naped trogon is presumed to be a permanent resident or sedentary bird. Sedentary is “commonly used in the special sense of ‘non-migratory,’” and resident is defined as “remaining throughout the year in the area under reference”. At least 4,000 species of bird are regular migrants, which is approximately 40 percentage of the world's population of birds, however the red-napped trogon is not one of these. It does not migrate, but instead remains in the same location all year round.Red-naped trogons are confined to the Sundaic regions lowlands, also known as Sundaland, with a distribution size of 989,000 km2. The Sundaic lowlands is a biogeographical region of South-eastern Asia which encompasses the Sunda shelf, Malay Peninsula of the Asian mainland, and the large islands of Borneo, Java and Sumatra, including their surrounding islands. The eastern boundary of the Sundaic region is the Wallace Line which separates the Indomalaya and Australasia ecotones. <p>The global population size has not been quantified, but the species is described as rare in Thailand, fairly common in Peninsular Malaysia and Sumatra, rather scarce in Sarawak and uncommon in Singapore, Indonesia, Sarawak, Sabah and Brunei. The current population trend shows a decline in the number of red-naped trogons at a moderately rapid rate, owing to habitat loss and degradation throughout its distribution range.
- Migration
- Resident species
Behavior
Migration pattern: Resident species.
Conservation
Population trend: declining.
- Population trend
- declining
Photos
Distribution
Bird Calls
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