Distribution and conservation status of the Philippine cockatoo (Cacatua haematuropygia P.L.S. Muller, 1776)
1995
Tabaranza, B.R. Jr. (Birdlife Philippines-Haribon Foundation, 3rd Floor, A.M. Building 28, Quezon Ave., Quezon City (Philippines))
Field surveys were conducted from October 1991 to May 1992 in various localities in the Philippines, particularly Mindanao, where the Cacutua haematuropygia was reported to occur. The bird's current distribution and conservation status were assessed and some conservation actions were recommended. Data from expeditions conducted from 1975 to 1990 were also incorporated in the report. Data on the trade of the Philippine cockatoo were provided by a collector and trader based in Ciargao Island. Results showed that the cockatoo has become extinct in most of its known range. The remaining populations are now restricted to very few areas in Mindanao and Palawan. The population estimates range from a low of 30 to a high of only 300 in at least 4 localities in Mindanao and Tawi-tawi and about 800 to 3,000 in Palawan. The Philippine cockatoo's preferred habitats include lowland rainforests, beach forests and mangrove forests. Habitat loss due to logging, conversion to commercial fishponds and overexploitation of the species due to wildlife trade are considered as the major threats to the survival of the cockatoo. A potential threat which has not been well-documented yet in the Philippines is the beak and feather syndrome, a viral disease which can practically wipe out a population of 100 within nine months. Continued conservation awareness campaign, strict implementation of wildlife laws relating to trade, protection of the bird's remaining habitats and more research on the biology and breeding ecology of the species are recommended
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