Justification This species has a small range restricted both geographically and altitudinally. It is thought to be relatively stable at present within this area but careful monitoring of potential threats is required. It is currently listed as Near Threatened.

Family/Sub-family Nectariniidae

Species name author Mearns, 1905

Taxonomic source(s) Sibley and Monroe (1990, 1993)

Identification

Population estimate

Population trend

Range estimate (breeding/resident)

Country endemic?

unknown

unset

-

Yes

Range & population Aethopyga boltoni is endemic to Mindanao, Philippines, where it is fairly common at sites including on Mt Malindang (race malindangensis), Mt Kitanglad, Mt Apo, Mt Pasian and Lake Sebu (nominate boltoni), and Mt Busa and Mt Matutum (race tibolii); this latter taxon ranging on Busa from 1,300 m upwards and on Matutum from 820 m upwards.

Ecology: It generally occurs in flowering trees and shrubs in stunted (and mossy) forest above 1,500 m. It has been recorded breeding in January-July.

Threats Although its area of occupancy must be very small, its habitat is apparently secure.

Conservation measures underway None are known.

Conservation measures proposed Determine whether habitat loss poses any threat within its altitudinal range. Map its range and calculate its Area of Occupancy. Generate a population estimate based on density estimates from surveys. Grant protection to areas of suitable habitat to safeguard against future threats.

References Collar et al. (1999).

Further web sources of information

Fully detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001), together with new information collated since the publication of the Red Data Book

Text account compilers Phil Benstead (BirdLife International), Jeremy Bird (BirdLife International)

IUCN Red List evaluators Jeremy Bird (BirdLife International), Stuart Butchart (BirdLife International)

Recommended citation BirdLife International (2009) Species factsheet: Aethopyga boltoni. Downloaded from http://www.birdlife.org on 9/2/2010

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

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