Turtle laying eggs

Turtle coming ashore

A sea turtle clutch

Baby tortoises

Top view of tortoise

Male tortoise

Female tortoise

Sign providing information to determine sex of tortoise

Sign depicting anatomy of marine turtle

Sign depicting species of turtles found in Senegal.

A sulcata tortoise (Geochelone sulcata) , a land-dwelling reptile native to Northern Africa. Ridges less pronounced than in images anim2015 and anim2016.

A sulcata tortoise (Geochelone sulcata) , a land-dwelling reptile native to Northern Africa.

A sulcata tortoise (Geochelone sulcata) , a land-dwelling reptile native to Northern Africa.

Puff adders, among the most deadly creatures on earth.

Puff adders, among the most deadly creatures on earth.

Bird stakes are a cost-effective means of providing fertilizer to newly planted seagrass shoots and injured areas devoid of seagrasses.

A moose seen just off the highway on Cameron Pass on Colorado Highway 14.

Bison seen at Yellowstone

Bobcat roaming through the brush near the Piedras Blancas lighthouse. Bobcats are crepuscular, mostly active at dawn and dusk. The elusive creatures hunt rabbits and other small mammals.

Iguana on the beach.

Polar bear (Ursus maritimus) on ice floe.

Polar bear (Ursus maritimus) on ice floe.

Polar bear (Ursus maritimus) walking on Arctic sea ice.

Hummingbird at Little Port Walter.

Hummingbird at Little Port Walter.

An eagle in a fir tree.

Killer whales.

Humpback whale breaching in Glacier Bay.

Humpback whale tail in Iyoukeen Cove.

Humpback whale tail in Iyoukeen Cove.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

Group of humpback whales feeding in Iyoukeen Cove, Chichagof Island.

A pod of killer whales in Frederick Sound.

A diving killer whale in Frederick Sound.

A pod of killer whales in Frederick Sound.

Steller sealions at Sail Island, Frederick Sound.

Adelie penguins on a small iceberg off the Antarctic Peninsula.

Adelie penguins on a small iceberg off the Antarctic Peninsula.

King penguins on shore leave looking for the party at Grytviken.

Southern fur seal with elephant seals and penguins in the background.

Southern fur seal with penguins in the background.

Elephant seals sleeping.

Elephant seals sleeping.

Humpback whales near Antarctic Peninsula.

Humpback whales near Antarctic Peninsula.