As the winter sets in Ramrai Ranisagar lake in this northern district wears a festive look with the arrival of chirping birds and thousands of visitors to watch them play in the water.   This year also the famed lake, largest in the area, has come alive with hundreds of migratory birds flocking on it from far away to escape freezing cold in Serbia and surrounding areas. Also known as Rani Sagar the lake is famous for its natural beauty. The arrival of the colourful birds accentuates its charm attracting tourists from all across Bangladesh. Also read: Migratory birds battle poachers in Khulna During the day the birds frolic in the lake’s water and when the sun sets they take shelter in the litchi orchard around the water body. Located four km from the Ranisankail upazila headquarters the lake has been one of the country’s sanctuaries for winter birds who love to spend some time in relatively warm weather in Bangladesh. Unfortunately, these guest birds do not often get the hospitality they deserve. Read Visit Baikka Beel, Hail Haor, Sreemangal: Buoyant art of nature in a paradise of birds At this lake in particular the pollution in the water has become a hazard for the birds.