The oriental magpie-robin

Description:

The oriental magpie-robin passerine bird are distinctive black and white birds with a long tail that is held upright as they forage on the ground or perch conspicuously. Occurring across most of the Indian subcontinent and parts of Southeast Asia, they are common birds in urban gardens as well as forests. They are particularly well known for their songs & is considered the national bird of Bangladesh.

Habitat:

Found alone on tree top , singing songs early morning , very closed to sea coast in semi forest area