Robuta

https://indianbirds.thedynamicnature.com/2015/04/christmas-frigatebird-fregata-andrewsi.html Christmas frigatebird | Birds of India | Bird World The Christmas frigatebird (Fregata andrewsi) belongs to the family Fregatidae. These frigatebird species is distributed in Indian Ocean, Bay of Bengal, Arabian... birds of indiachristmas frigatebirdworld