Titles and abstracts

Ref: R2
“Are birds declining in Singapore?”
Mr. Lim Kim Seng
Nature Society of Singapore

The Bird Group of the Nature Society (Singapore) has been conducting a nation-wide census since 1986. These counts involve observers walking a regular route for approximately three hours on a fixed day in March annually at between 19 and 25 sites in various parts of the country. Comparing data between 1991 and 2003, there has been a decline of 39% in terms of number of
birds and 16% in terms of number of species. The avifaunal changes have not been uniform for all species. Some birds have been consistently amongst the top 20 most numerous birds surveyed while others have declined precipitously. Why is this so? This presentation attempts some answers.