Sea birds flying and feeding on a large school of fish congregating next to a ocean breakwall

sea birds feeding baitball schooling fish shoaling large group fish salmon swim marine aerial view ocean fish farm sustainable sea mullet trevally animal behavour nature predators seafood biology estuaries hunting drone video underwater marine life aquaculture seabirds seagull tern gannet congregate sea bird fish migrating albatross great barrier reef animal migration tropics wildlife ecosystem drone pelagic aquatic coastal cormorant gull shearwater water