Bangladesh, Feb. 5 -- As a foggy morning dawns into the tree-shaded campus the silence is broken by the birds.

The chirping of guest birds on beds of water lilies floating on the lake, birds flying away in groups only to return and settle on the water, and those darting across the surface with charming calls-this is how the lake and reservoir at Jahangirnagar University looked during the winter months.

Not this year. the number of guest birds at JU has started to decrease.

In 1986, the first guest bird visited the university lakes. Then, in 2014, the government declared Jahangirnagar University a sanctuary for guest birds. The lake adjacent to the old administrative building, the Wildlife Rescue Centre (WRC), Jahanara Imam Hall, Pritil...