Ornate Sunbird
Cinnyris ornatus
Tiny and active sunbird of forest edges, parks, and gardens; the most common urban sunbird throughout most of its expansive distribution; ranges from Andaman and Nicobar Islands to Lesser Sundas. Both sexes have a plain olive back, a yellow belly, and white tail edges that are flared out in flight. The male flashes an iridescent blue throat while the female has a yellow throat and eyebrow. Female Brown-throated Sunbird also has a yellow belly, but it is larger with a thicker bill and lacks the white tail patches of Ornate. Gives a rising “dwee”, a familiar sound even in cities. Formerly grouped with other, closely related species under “Olive-backed Sunbird.”
Identification
They are small songbirds, 10–11.4 cm (3.9–4.5 in); male 6.7–11.9 g (0.24–0.42 oz), female 6–10 g (0.21–0.35 oz). The male in its nominate (jugularis) form displays an olive hue on its upper body, featuring black wing feathers with green edges and a black tail adorned with white tips. The areas around its eyes (lores), neck, chin, throat, and breast are dark and iridescent, accompanied by yellow pectoral tufts. The lower portion of the bird is dark yellow, sometimes with a brown band encircling the gorget area. The iris is dark brown, while its bill and legs are black. Non-breeding males often have the glossy black coloration limited to the central throat stripe, which may represent juvenile birds transitioning to their adult plumage.<p>In contrast, the female exhibits an upper body of greenish olive, featuring a pale-yellowish stripe above the eyes (supercilium ), yellowish borders on its wing feathers, a tail with black and white markings, and a deep yellow color on the lower portion of its body, slightly lighter on the undertail feathers. Juvenile birds resemble the female but tend to be paler and browner in appearance.
Taxonomy
In 1760 the French zoologist Mathurin Jacques Brisson included a description of the olive-backed sunbird in his Ornithologie based on a specimen collected in the Philippines. He used the French name Le petit grimpereau des Philippines and the Latin Certhia Philippensis Minor. Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature. When in 1766 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the twelfth edition, he added 240 species that had been previously described by Brisson. One of these was the olive-backed sunbird. Linnaeus included a brief description, coined the binomial name Certhia jugularis and cited Brisson's work. The specific name jugularis is Medieval Latin for 'of the throat'. This species is now placed in the genus Cinnyris that was introduced by the French naturalist Georges Cuvier in 1816.<p>The garden sunbird (under the name olive-backed sunbird) formerly included 21 subspecies and had a range that extended from Southeast Asia to Australia. Based on the difference in the male plumage and a genetic study comparing mitochondrial DNA sequences of some of the subspecies, the olive-backed sunbird was split into eight species. The seven new species are: ornate sunbird (Cinnyris ornatus), Palawan sunbird (Cinnyris aurora), Sahul sunbird (Cinnyris frenatus), Tukangbesi sunbird (Cinnyris infrenatus), Flores Sea sunbird (Cinnyris teysmanni), South Moluccan sunbird (Cinnyris clementiae) and Mamberamo sunbird (Cinnyris idenburgi).<p>Three subspecies are now recognised:
- Scientific name
- Cinnyris ornatus
- Authority
- (Linnaeus, 1766)
- Order
- Passeriformes
- Family
- Nectariniidae
- Genus
- Cinnyris
Range and habitat
The olive-backed sunbird is endemic to the Philippines where it is found throughout the country except Palawan. Subspecies obscurior is found in Northern Philippines (northern Luzon) while woodi is found in Sulu Archipelago, Southern Philippines. The nominate subspecies is found in the rest of the range of the bird. Originally from mangrove habitat, the olive-backed sunbird has adapted well to humans, and is now common even in fairly densely populated areas, even forming their nests in human dwellings.
- Migration
- Resident species
Behavior
Documented laying in May and June. Nest is built entirely by the female. The nest takes the form of a hanging oval pouch with a sheltered side opening, often featuring a dangling "beard." It is skillfully crafted using materials such as grass, cotton, moss, lichens, leaf fragments, vegetable fibers, and spider webs, lined with bark or feathers.<p>The sunbirds are a group of very small Old World passerine birds which feed largely on nectar, although they will also take insects, especially when feeding young. Their flight is fast and direct on their short wings. Most species can take nectar by hovering, but usually perch to feed most of the time.[citation needed]
Conservation
- Population trend
- stable
Photos
Distribution
Bird Calls
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