Elegant, pale tern with a very long tail that is forked. Birds from the Old World have black bills that become red when they arrive at breeding grounds, while birds from the New World have red bills that turn darker.
Habitat & Distribution in Bangladesh:
Bay of Bengal, Bangladesh
Environment:
Marine, Terrestrial
Main References:
Mondreti R, Davidar P, Ryan PG, Thiebot JB, Gremillet D (2020) SEABIRD AND CETACEAN OCCURRENCE IN THE BAY OF BENGAL ASSOCIATED WITH MARINE PRODUCTIVITY AND COMMERCIAL FISHING EFFORT Marine Ornithology 48: 91–101 (2020)