Impact of introduced birds in the Philippines
Issue Date
12-2006
Abstract
Despite the Philippines' rich avifauna, only a handful of birds are introduced and possibly invasive. An account of biology, ecology, impacts and management issues of ten introduced species are discussed. Historical accounts and distribution of some species required conformation and updating. Colonization was either intentional or accidental, for pest control, as game birds, escaped caged birds, and feral domestic. Not all were able to establish local populations, like Daurian Partridges, Chinese Francolins and Red Avadavats. Most successful are Eurasian Tree Sparrows, while Crested Mynas, Java Sparrows and Zebra Doves have limited distribution. Native species like Chestnut Munias had expanded into other island through human encroachment. Escapes like Budgerigars are poorly established, while feral pigeons form semi-wild populations. Museum records and birdwatching reports noted escapees like parrots, pigeons and finches from exotic pet trade. Threats from introduced birds are not known, but fragile island endemics and montane forest isolates are at risk. Unlike Guam's Hawaii' birds, no Philippine birds has succumbed from any invasive species, other than man. Possible impacts to biodiversity were from competition predation, diseases or hybridization. Most introduced birds inhabit agroecosystems and settlements becoming agricultural and structural pests, but man has learned to utilized them as a resource.
Source or Periodical Title
Journal of Environmental Science and Management
ISSN
0119-1144
Volume
9
Issue
2
Page
66-79
Document Type
Article
College
School of Environmental Science and Management (SESAM)
Frequency
semi-annually
Physical Description
none
Language
English
Recommended Citation
Gonzalez, Juan Carlos, "Impact of introduced birds in the Philippines" (2006). Journal Article. 4251.
https://www.ukdr.uplb.edu.ph/journal-articles/4251