A lesser whistling duck is pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)
An anhinga bird is pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)
A lesser whistling duck is pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)
A spot-billed pelican is pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)
A grey-headed swamphen is pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)
Spot-billed pelicans are pictured at a wetland area in the suburb of Colombo, Sri Lanka, on March 20, 2025. (Photo by Ajith Perera/Xinhua)