Pale spiderhunter

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Pale spiderhunter
PPUR2024-27 - Pale spiderhunter.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Nectariniidae
Genus: Arachnothera
Species:
A. dilutior
Binomial name
Arachnothera dilutior
Sharpe, 1876

The pale spiderhunter (Arachnothera dilutior) is a species of bird in the family Nectariniidae. It is endemic to the Philippines found only the region of Palawan. Along with the Orange-tufted spiderhunter, it was originally considered a subspecies of the little spiderhunter. They are predominantly greyish in color, with olive-green wings, a pale yellow belly and a bold yellow eyering. [2]

Contents

Description and taxonomy

Ebird describes it as "A medium-sized bird of lowland forest canopy and edge on Palawan and neighboring islands. Overall bright green, paler below, with a yellow throat and upper chest and a blue eye-ring, shoulder, edge to the wing, and short line down from the base of the bill. Note the black bill, wingtips, and legs. No other green birds of this size occur in its range. Voice includes a varied whistled song." [3]

Pale Spiderhunter.jpg

It was formerly conspecific with the Little spiderhunter and Orange-tufted spiderhunter but each was designated their own species. Differs from others by its deeper and darker bill, longer tail, dark lores and its striking eyering, gray breast and throat and yellower wing edges.

This species is monotypic and has no subspecies.

Ecology and behaviour

This species' diet has not yet been comprehensively studied but it is assumed to have a similar diet as the formerly conspecifc Little spiderhunter which feeds on nectar, insects and spiders. It has been known to show nectar robbing behaviour. Typically forages alone or in pairs in the lower levels of vegetation.

Nothing has been published about its breeding habits. [4]

Habitat and conservation status

Its habitat is primary lowland forest and second growth but it does occasionally visit secondary growth and banana plantations. Found up to 1,000 meters above sea level.

It is assessed as least-concern species under the IUCN as it seems to be tolerant of degraded habitat and is still common across its range. However, Palawan's forests are under threat due to illegal logging, deforestation, land conversion and mining. 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 just one protected area in the Iwahig Prison and Penal Farm. [5]

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References

  1. ↑ BirdLife International (2016). "Arachnothera dilutior". IUCN Red List of Threatened Species . 2016: e.T103778680A104295930. doi: 10.2305/IUCN.UK.2016-3.RLTS.T103778680A104295930.en . Retrieved 18 November 2021.
  2. ↑ "Pale Spiderhunter - eBird". ebird.org.
  3. ↑ "Pale Spiderhunter - eBird". ebird.org. Retrieved 2024-09-05.
  4. ↑ del Hoyo, Josep; Collar, Nigel; Kirwan, Guy M. (2020). "Pale Spiderhunter (Arachnothera dilutior), version 1.0". Birds of the World. doi:10.2173/bow.palspi2.01. ISSN   2771-3105.
  5. ↑ IUCN (2016-10-01). Arachnothera dilutior: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T103778680A104295930 (Report). International Union for Conservation of Nature. doi:10.2305/iucn.uk.2016-3.rlts.t103778680a104295930.en.
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