The number of Eurasian Tree Sparrows is estimated of approximately 222,000 in urban areas of Hong Kong with a slight decrease of 8.6% compared to

We are inviting the public to participate in Sparrow Census 2024.

The 8th Hong Kong Sparrow Census organized by the Hong Kong Bird Watching Society (HKBWS) estimates that there are approximately 243,000 Eurasian

The 7th Hong Kong Sparrow Census has recorded a 36% rebound in the population of Eurasian Tree Sparrows in Hong Kong, totaling around 287,000

According to the 6th Hong Kong Sparrow Census organized by the Hong Kong Bird Watching Society (HKBWS), there are about 210,000 Eurasian

The fifth Hong Kong Sparrow Census organized by the Hong Kong Bird Watching Society (HKBWS) has recorded stable population trend of Eurasian Tree