Malaysian Applied Biology Journal

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47_01_16

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Malays. Appl. Biol. (2018) 47(1): 109–114

 

THE DENSITY OF INVASIVE URBAN BIRDS IN SELECTED

AREAS OF WESTERN SARAWAK

 

FRANCES HII DAI SZE1, NURUL ASHIKEEN AB RAZAK2 and JAYASILAN MOHD-AZLAN1*


1Faculty of Resource Science and Technology, Universiti Malaysia Sarawak,

94300 Kota Samarahan, Sarawak, Malaysia

2Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak,

94300 Kota Samarahan, Sarawak, Malaysia

*E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

 

Accepted 6 February 2018, Published online 31 March 2018

 

ABSTRACT

Non-native species or invasive species have been a threat to the global biodiversity. Avian communities are widely spread from the forest to the urban areas. Impacts of invasive avian communities in the urban areas have not been greatly explored in Sarawak. This study attempts to investigate the effect of invasive birds towards the native species within the urban avian community. The birds were surveyed using transects from October 2015 until September 2016 (12 months). The common species recorded were Asian glossy starling, Common myna, Eurasian tree sparrow, Intermediate egret, Javan myna, Longtailed shrike and Little egret, Pink-necked green pigeon, Rock pigeon, Spotted dove, White-breasted waterhen, White-breasted woodswallow, Yellow-vented bulbul and Zebra dove. The invasive species consist of the Eurasian tree sparrow, Rock pigeon, Zebra dove, Common myna. In general, these species became a threat to the native hollow-nesting species. Here we estimated the relative density of exotic species in urban bird assemblage. Proper and careful management of this invasive species is much needed in order to prevent the native species being pushed out or eliminated from the urban bird communities.

Key words: Invasive birds, urban birds, bird density, western Sarawak

 

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