The Palawan fairy-bluebird (Irena tweeddalii) is a species of bird in the family Irenidae. It is endemic to the island of Palawan in the Philippines. Its natural habitats are tropical moist lowland forest and it is declining due to habitat destruction and deforestation.
| Palawan fairy-bluebird | |
|---|---|
 | |
| Male | |
 | |
| Female | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Irenidae |
| Genus: | Irena |
| Species: | I. tweeddalii |
| Binomial name | |
| Irena tweeddalii Sharpe, 1877 | |
Description and taxonomy
EBird describes the bird as "Spectacular forest-dweller with blood-red eyes, endemic to Palawan and surrounding smaller islands. Gathers at fruiting and flowering trees. Frequently gives rising “wit!” notes, often in bursts of three, as well as incorporating them into short, melodious song."[2]
Exhibits sexual dimorphism in which male are midnight black and electric blue while the female is dark turquoise with dark wingtips.
It was formerly conspecific with the Asian fairy-bluebird but split due to plummage differences with males have a lighter more electric blue versus the darker blue of the former. Females are duller and more turquiose in color.
It has been observed feeding on invertebrates but otherwise diet is largely unknown. It is often seen foraging alone or in pairs foraging in the understorey.
Habitat and conservation status
The species inhabits tropical moist lowland primary forest and secondary forest up to 1,000 meters above sea level.[3]
It is assesed as near threatened under the IUCN with populations believed to be decreasing due to habitat loss, deforestation, hunting and the cage bird trade. The whole of Palawan was designated as a Biosphere Reserve; however, protection and enforcement of laws has been difficult and these threats still continue. It occurs in the protected area in Puerto Princesa Subterranean River National Park.[4]
References
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