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Location Philippines, Region II
Central coordinates 121o 50.00' East  18o 17.00' North
IBA criteria A1, A4i
Area 14,400 ha
Year of IBA assessment 2001

Haribon Foundation

Site description Buguey Wetlands are on the north coast of Luzon, east of the mouth of the Cagayan River, and cover c.80% of Buguey Municipality. They are a complex of coastal lagoons, freshwater marshes, brackish and saline marshes, mangrove swamps and intertidal mudflats, with some fish ponds and shrimp ponds and a very large area of rice paddies. The wetland is an important area for rice and fisheries production.

Key Biodiversity Buguey Wetlands are an important staging and wintering area for migratory waterfowl, notably ducks and shorebirds. Some 3,000 5,000 ducks have been recorded in November, mostly Tree-ducks Dendrocygna sp and the threatened Philippine Duck. Up to 3,000 other waterfowl have been observed, and more than 1,000 shorebirds are regularly recorded there during AWC counts.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Philippine Duck Anas luzonica resident  2001  present  A1, A4i  Vulnerable 
Mesophoyx intermedia unknown  2001  present  A4i  Not Recognised 
Schrenck's Bittern Ixobrychus eurhythmus winter  2001  present  A4i  Least Concern 
Great White Egret Ardea alba unknown  2001  present  A4i  Least Concern 
Nisaetus philippensis resident  2001  present  A1  Not Recognised 
Little Tern Sternula albifrons unknown  2001  present  A4i  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   major
Artificial - terrestrial   major

Protection status Not officially protected.

References References: Custodio (1996); Davies et al. (1990); Scott (1989).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Buguey wetlands. Downloaded from on 23/10/2016

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