Gray whale Eschrichtius robustus is found in the Pacific ocean They grow to be 50 feet long They travel 10 000 miles each year the longest known mammal migration California Pacific Ocean

Zebras Wildebeest Crossing The Crocodile-infested Mara River During The Annual Migration In The Masai Mara Game Reserve In Ken

Gray whale Eschrichtius robustus is found in the Pacific ocean They grow to be 50 feet long They travel 10 000 miles each year the longest known mammal migration Baja California Pacific Ocean

Portrait of the Migration of Blue Wildebeest Connochaetes taurinus and Burchell's Zebra Equus burchellii Herds Masai Mara National Reserve, Kenya

Arctic tern in the Alaska Range of Alaska. Arctic terns have the longest migration of all birds, traveling up to 40,000 KM/year (25,000 miles).

Western Sandpipers in spring migration stop over to feed on the tidal flats of the Copper River Delta, eating small invertibrates and pink macoma clams. Virtually the entire population of western sandpipers passes through the region during the springtime.

Blue shark Prionace glauca is a pelagic species found off both coasts of North America It swims near the surface and feeds on small schooling fishes and squid California Pacific Ocean

Caribbean, Bahamas, spiny lobster march in line along sandy bottom (Panulirus argus) annual migration from juvenile to adult habitat D1834

Arctic tern in the Alaska Range of Alaska. Arctic terns have the longest migration of all birds, traveling up to 40,000 KM/year (25,000 miles)

On the Plains, Preparing to Feed (Buffalo-Chip Fuel) Joseph Goldsborough Bruff (19th C. American) Colored drawing The Huntington Library, Art Collections, and Botanical Gardens, San Marino, California

The Leatherback Turtle Dermochelys coriacea is a deep diving open ocean resident Marine scientists use satellite tracking to discover migration routes Florida

A sea turtles nest contains about 100 eggs Most hatchlings try to avoid predators by escaping to the open ocean at night Florida

Green turtle Chelonia mydas is found in oceans worldwide They are endangered and while mating the male grasps the female with the claw on his front flippers Florida Atlantic Ocean

Straggling Emigrants, Fall of 1849 Joseph Goldsborough Bruff (19th C. American) Colored drawing The Huntington Library, Art Collections, and Botanical Gardens, San Marino, California

A Green turtle Chelonia mydas nest contains about 100 eggs Hatchlings try to avoid predation on their way to the ocean but some fall prey to Ghost crabs Florida

Loggerhead turtle Caretta caretta is endangered A nest contains about 100 eggs Hatchlings try to avoid many predators during their escape to the open ocean Florida

Humpback whale (Megaptera novaeangliae) female showing ventral surface and throat pleats. Breeding migration from Polar to Tropics. All oceans

Sutter's Fort John Hovey Watercolor The Huntington Library, Art Collections, and Botanical Gardens, San Marino, California, USA

Western Sandpipers in spring migration stop over to feed on the tidal flats of the Copper River Delta, eating small invertibrates and pink macoma clams. Virtually the entire population of western sandpipers passes through the region during the springtime.

Green turtle Chelonia mydas is found in all oceans A nest contains about 100 eggs Hatchlings try to avoid many predators during their escape to the open ocean Florida Atlantic Ocean

Zapotec women catch up under the glare of consumerism in Coixtlahuaca. Little is known of the Zapotecs, as they had no traditions or legends of migration, but they believed themselves to be born directly from rocks, trees and jaguars.