Galapagos sea lion - Zalophus californianus wollebacki and a marine iguana - Amblyrhynchus cristatus.

The Galapagos marine iguana (Amblyrhynchus cristatus) is a species of iguana found only on the Galápagos Islands (Ecuador) that has the ability, unique among modern lizards, to forage in the sea, making it a marine reptile.

Image ID: mvey0642, Small World Collection
Location: Espanola Island, Galapagos Islands, Ecuador
Photographer: Rosalind Cohen, NODC, NOAA

Photo Source:
The NOAA Photo Library - http://www.photolib.noaa.gov
The National Oceanic & Atmospheric Adminstration (NOAA) - http://www.noaa.gov/
Copyright Information - http://www.photolib.noaa.gov/aboutimages.html