This video is called Galapagos Marine Iguana Eating (seaweed).
Another video is at National Geographic:
Meanwhile, their cousins on land climb the volcanoes that spawned the islands.
The land lizards incubate their eggs in the warm volcanic ash, and the life of a young iguana only gets hotter.
The young reptiles are often forced to take cover against predatory snakes and hawks.
Watch the saga of the iguanas, startling species that in the 1830s helped spark Charles Darwin‘s evolution revolution.
Choosing mates by female marine iguanas: here.