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Gallicolumba keayi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES COLUMBIFORMES COLUMBIDAE

Scientific Name: Gallicolumba keayi
Species Authority: (Clarke, 1900)
Common Name(s):
English Negros Bleeding-heart

Assessment Information [top]

Red List Category & Criteria: Critically Endangered C2a(i) ver 3.1
Year Published: 2013
Date Assessed: 2013-11-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S.
Contributor(s): Bucol, J., Carino, A., Hornbuckle, J. & Hospodarsky, P.
Facilitator/Compiler(s): Benstead, P., Bird, J., Butchart, S., Calvert, R., Lowen, J., Symes, A., Taylor, J.
Justification:
This species has an extremely small, severely fragmented population that is likely to be undergoing a continuing decline owing to forest loss on the two islands where it occurs. For these reasons, it is listed as Critically Endangered.
History:
2012 Critically Endangered

Geographic Range [top]

Range Description: Gallicolumba keayi is endemic to the Philippines, where it occurs on Panay and Negros (Collar et al. 1999). On Panay, it was recorded in 1997 at two sites on the north-west peninsula, having been reported by locals at five sites earlier in the decade. Since then birds have been recorded nesting in the same area and further observations of the species have been made (Slade et al. 2005). On Negros, it was fairly common in the 19th century, but had become extremely rare by the 1930s. Since 1980, it was recorded at just one locality (above Mambucal), despite several weeks of surveys, with unconfirmed local reports from six additional localities. Recent research identified a few small populations in southern Negros, but it may now be extinct in the north (J. Hornbuckle in litt. 2005, P. Hospodarsky in litt. 2010). It seems unlikely that more than a few hundred individuals remain on each island, although as Panay retains more forest cover, it is likely that this population is larger (P. Hospodarsky in litt. 2010).

Countries:
Native:
Philippines
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population is estimated to number 50-249 mature individuals, based on the assessment in BirdLife International (2001) that it "seems unlikely that there are more than a few hundred individuals... on each island [Panay and Negros], and there may only be a few tens". This estimate equates to 75-374 individuals in total, rounded here to 70-400 individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This predominantly terrestrial species appears to prefer dense closed-canopy forests from 300-1,000 m, exceptionally to 1,200 m, although reports suggests it tolerates secondary habitats on Panay where it has been recorded from selectively logged forest on limestone, and from open and severely degraded forest with few large trees (Slade et al. 2005, J. Bucol in litt. 2007). It seems unlikely that it undertakes more than very local movements in response to food patchiness. It has been recorded nesting in May and June with chicks fledging after only 12 days, apparently as an adaptation to the vulnerability of their open and low nests in epiphytic ferns (Slade et al. 2005). It has also been recorded nesting in March (Curio 2001). Nests appear to be regularly predated (Slade et al. 2005).

Systems: Terrestrial

Threats [top]

Major Threat(s): Primary forests have been almost totally destroyed on Negros (where just 4% of any type of forest cover remained in 1988) and Panay (where 8% remained). Habitat degradation, through clearance for agriculture, timber and charcoal-burning, continues to pose a serious threat to remaining fragments. This is exacerbated by trapping and hunting for food and, presumably, for the cage-bird trade. In 2005, five birds were killed by poachers in Negros (J. Hornbuckle in litt. 2005). A number of nests have been depredated, although it is unknown whether this is by native or introduced predators.

Conservation Actions [top]

Conservation Actions: Conservation Actions Underway
The only recent records are from Mt Canlaon Natural Park, Mantikil, and in the Calinawan Community-based wildlife sanctuary on Negros (J. Bucol in litt. 2007). Local reports also derive from the North Negros Forest Reserve, and another area where it was formerly recorded (Mt Talinis/Twin Lakes on Negros) has been receiving funding for conservation actions (J. Bucol in litt. 2007). In the mid-1990s, the species featured on a bilingual environmental awareness poster as part of the "Only in the Philippines" series. It was used also as main logo in a photo exhibit "Wet and Wild" held at the Provincial Convention Center, Oriental Negros in November 2007 (J. Bucol in litt. 2007). It has been studied as part of the Philippine Endemic Species Project (PhilConserve) (Slade et al. 2005). The North Negros Forest Natural Park was declared by Presidential Decree in 2006. Efforts are ongoing to strengthen protected area management and involve Negros Forests and Ecological Foundation, Inc. (NFEFI) and Silliman University - Angelo King Center for Research and Environmental Management (SUAKCREM) as well as other existing local non-government organisations and people's organisations in the protection of the species. It was bred for the first time in captivity in 2007 at the Center for Tropical Conservation Studies, Philippines (H. Roberts in litt. 2009), and a very small number of captive individuals have been bred at the A. Y. Reyes Zoological and Botanical Gardens: in 2007, two chicks hatched, although one died (Hirschfeld 2008). Three birds salvaged from the illegal bird trade in captivity have produced eight young so far, and the total captive population now numbers 18 birds (Hirschfeld 2008). Captive breeding is being orchestrated by the Philippine Biodiversity Conservation Foundation, and there are plans for future re-introductions (P. Hospodarsky in litt. 2010).

Conservation Actions Proposed
Conduct fieldwork in all areas from which the species has been locally reported and all other sites where suitable habitat remains, including the Bulabong Puti-an National Park. Establish the proposed 100 km2 North-west Panay Peninsula National Park, where the species has recently been discovered, and develop captive breeding populations. Provide immediate effective protection for the North Negros Forest Reserve. Encourage careful reforestation activities around remaining forests and law enforcement to stop small-scale yet rampant illegal logging.


Citation: BirdLife International 2013. Gallicolumba keayi. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 29 July 2014.
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