These photos of animals and plants in the Galápagos Islands were taken by Prof. Ritvo in 2001.
Two iguanas on a smooth rock.
A rocky slope plunges down to the ocean.
A large desolate field of ropy lava.
Galápagos fur seals lounge on the beach, including some mothers nursing their pups.
A group of captive Galápagos tortoises graze and sun themselves in a pen.
Galapágos flora has adapted to the arid conditions there.
Several frigate birds perched in a tree. One male has his red gular pouch prominently inflated.