Yellow-footed gulls (Larus livens) with fish on the rocks of the Los Islotes Islands in Baja California, Mexico.

A bull California sea lion (Zalophus californianus) is sleeping on the rocks of the Los Islotes Islands in the Sea of Cortez of Baja California Mexico. This is the most southern breeding colony of California sea lions.

View of colorful rocky landscape on San Francisco Island, Sea of Cortez, Baja California, Mexico.

Elephant trees (Burseraceae family) on San Francisco Island, Sea of Cortez in Baja California, Mexico.

Tourists landing on beach with cruise ship Safari Endeavour in background at San Francisco Island in the Sea of Cortez in Baja California, Mexico.

Tourists watching gray whales (Eschrichtius robustus) from a boat in Magdalena Bay near San Carlos in Baja California, Mexico.

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View of a newly born Gray whale (Eschrichtius robustus) calf in Magdalena Bay, one of the breeding grounds, near San Carlos in Baja California, Mexico.

A Brown pelican (Pelecanus occidentalis) is flying over water in the bay of Aqua Verde, a small fishing village near Loreto, Sea of Cortez in Baja California, Mexico.

Cardon cacti (Pachycereus pringlei) on the Isla Espiritu Santo in the Bahia de La Paz, Sea of Cortez in Baja California.

People snorkeling of a beach at the Isla Espiritu Santo in the Bahia de La Paz, Sea of Cortez in Baja California, Mexico with sailboat in the background.

View of colorful rocky landscape on San Francisco Island, Sea of Cortez, Baja California, Mexico.

Tourists landing on beach with cruise ship Safari Endeavour in background at San Francisco Island in the Sea of Cortez in Baja California, Mexico.

Tourists watching gray whales (Eschrichtius robustus) from a boat in Magdalena Bay near San Carlos in Baja California, Mexico.

Sunrise over Isla Carmen near Puerto Escondido, Sea of Cortez, Baja California, Mexico.

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View at sunrise of the town of Loreto, Sea of Cortez, Baja California, Mexico.

A Brown pelican (Pelecanus occidentalis) is flying over water in the bay of Aqua Verde, a small fishing village near Loreto, Sea of Cortez in Baja California, Mexico.

Tourists kayaking along of the coastline at the bay of Aqua Verde, a small fishing village near Loreto, Sea of Cortez in Baja California, Mexico.

View of the guano covered Los Islotes Islands, Sea of Cortez in Baja California Mexico.

A bull California sea lion (Zalophus californianus) is sleeping on the rocks of the Los Islotes Islands in the Sea of Cortez of Baja California Mexico. This is the most southern breeding colony of California sea lions.

People snorkeling of a beach at the Isla Espiritu Santo in the Bahia de La Paz, Sea of Cortez in Baja California, Mexico with sailboat in the background.