Breeding elegant terns (Thalasseus elegans) return to colony on Isla Rasita at sunset, Baja California Norte, Mexico, North America

Brown pelicans (Pelecanus occidentalis) in breeding plumage at Isla Rasita, Baja California, Mexico, North America

Brown pelicans (Pelecanus occidentalis) in flight formation at sunset near Isla Rasita, Baja California, Mexico, North America

California sea lions (Zalophus californianus) hauled out on Isla Rasita, Baja California Norte, Mexico, North America

Heermann's gulls (Larus heermanni) at sunset on Isla Rasita, Baja California, Mexico, North America

Adult Heermann's gulls (Larus heermanni) taking flight on Isla Rasita, Baja California, Mexico, North America

Guadalupe fur seal (Arctocephalus townsendi), hauled out on Isla Rasita, Baja California, Mexico, North America

Adult Heermann's gulls (Larus heermanni) taking flight at sunset on Isla Rasita, Baja California, Mexico, North America

Zodiac from the Lindblad Expeditions ship National Geographic Sea Bird with guests at Isla Rasita, Baja California Norte, Mexico, North America

Zodiac from the Lindblad Expeditions ship National Geographic Sea Bird with guests at Isla Rasita, Baja California Norte, Mexico, North America

Zodiac from the Lindblad Expeditions ship National Geographic Sea Bird with guests at Isla Rasita, Baja California Norte, Mexico, North America

Zodiac from the Lindblad Expeditions ship National Geographic Sea Bird with guests at Isla Rasita, Baja California Norte, Mexico, North America