A blue-throated barbet is seen sitting on a tree branch in Bogura's Sherpur Upazila. Photo: Mostafigur Rahman

A blue-throated barbet is seen sitting on a tree branch in Bogura's Sherpur Upazila. Photo: Mostafigur Rahman

Dhaka Metropolitan Police distribute surgical masks among people at Shantinagar on Sunday, Mar 21, 2021 as part of a police programme to raise health awareness amid the coronavirus pandemic. Photo: Asif Mahmud Ove

Dhaka Metropolitan Police distribute surgical masks among people at Shantinagar on Sunday, Mar 21, 2021 as part of a police programme to raise health awareness amid the coronavirus pandemic. Photo: Asif Mahmud Ove

Dhaka Metropolitan Police distribute surgical masks among people at Shantinagar on Sunday, Mar 21, 2021 as part of a police programme to raise health awareness amid the coronavirus pandemic. Photo: Asif Mahmud Ove