a galapagos penguin spheniscus mendiculus preening on a rock with marine iguanas in the background, isabela island

america animal aquatic archipelago avian beak beautiful bird birds black blue coast conservation darwin ecuador endemic environment evolution galapagos grooming habitat hemisphere iguana isabela island islands marine mendiculus national native natural nature northern ocean ornithology park penguin preening rare rock sea south species spheniscus unique volcanic wild wildlife