Aerial footage of sea birds sitting above an artificial reef

seaweed ocean ocean floor sea bed reef sea sponge underwater scuba pacific ocean sea grass ocean rubbish enviroment global warming sea level coral bleaching climate change eco ocean conservation marine park marine biology pollution fish nature animals vegetation kelp plants inhabit algae turtles marine plant aquarium habitat biogeoscience ecosystems ocean plants marine animals aquatic plants sand mangroves artificial reef sea birds gannet albatross shag feeding cormorant breeding wildlife birdlife