North Pacific humpback whales, a mother and calf pair swim closely together just under the surface of the ocean. The calf will remain with its mother for about a year, migrating from Hawaii to Alaska to feed on herring.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 00140
Humpback whale breaching, near Molokai, Hawaii. Megaptera novaeangliae. It is suspected the breaching often has a communicative purpose which depends on the behavioral context of the moment.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 00205
Male elk bugling during the fall rut. Large male elk are known as bulls. Male elk have large antlers which are shed each year. Male elk engage in competitive mating behaviors during the rut, including posturing, antler wrestling and bugling, a loud series of screams which is intended to establish dominance over other males and attract females.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19693
Portrait of a young brown bear, pausing while grazing in tall sedge grass. Brown bears can consume 30 lbs of sedge grass daily, waiting weeks until spawning salmon fill the rivers.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19135
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean.
Species: Great white shark, Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 19465
The bright orange garibaldi fish, California's state marine fish, is also clownlike in appearance.
Species: Garibaldi, Hypsypops rubicundus
Location: California
Image ID: 02416
Bull elephant seal exits the water to retake his position on the beach. He shows considerable scarring on his chest and proboscis from many winters fighting other males for territory and rights to a harem of females. Sandy beach rookery, winter, Central California.
Species: Elephant seal, Mirounga angustirostris
Location: Piedras Blancas, San Simeon, California
Image ID: 15458
Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18744
A huge blue whale swims through the open ocean in this aerial photograph. The blue whale is the largest animal ever to live on Earth.
Species: Blue whale, Balaenoptera musculus
Image ID: 02169
Aerial photo of gray whale calf and mother. This baby gray whale was born during the southern migration, far to the north of the Mexican lagoons of Baja California where most gray whale births take place.
Species: Gray whale, Eschrichtius robustus
Location: San Clemente, California
Image ID: 29017
A neonate gray whale calf, born just hours before, still exhbiting embryonic folds in the skin along its side. This baby gray whale was born in the cold waters of Big Sur, far to the north of the Mexican lagoons of Baja California where most gray whale births take place.
Species: Gray whale, Eschrichtius robustus
Location: Monterey, California
Image ID: 01135
Aerial photo of gray whale calf and mother. This baby gray whale was born during the southern migration, far to the north of the Mexican lagoons of Baja California where most gray whale births take place.
Species: Gray whale, Eschrichtius robustus
Location: San Clemente, California
Image ID: 29001