The purpose of TWBF is to protect wild birds and its natural habitats through appreciation, research and conservation.

[8] TWBF conducts bird population surveys and migration research in conjunction with local and international organizations.

TWBF organizes several citizen science projects including the following.

The group publishes Feather, a quarterly bilingual online magazine on bird-related issues.

[14] TWBF is composed of 18 local bird associations and 3 ecology conservation groups.