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
Adult male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a female (left) during a competitive group. The bubble curtain may be meant as warning or visual obstruction to other male whales interested in the mother.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02828
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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19697
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: 19698
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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19700
The Louvre Pyramid at Night, Pyramide du Louvre, large glass and metal pyramid in the main courtyard (Cour Napoleon) of the Louvre Palace (Palais du Louvre) in Paris.
Location: Musee du Louvre, Paris, France
Image ID: 28095
Humpback whale competitive group, several adult male escort whales swimming closely together as part of a larger competitive group.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02864
Humpback whale competitive group, several adult male escort whales swimming closely together as part of a larger competitive group.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02862
Humpback whale male escort emits a stream of bubbles during competitive group socializing. The whale is swimming so fast that the bubbles pass back alongside the whale.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02855
Male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a mother and calf (barely seen in the distance).
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04434
Adult male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a female during competitive group activities. The bubble curtain may be meant as warning or visual obstruction to other nearby male whales interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04444
Large competitive group of humpback whales, eleven adult humpback whales seen in this image, part of a 16 whale competitive group.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04459
Male North Pacific humpback whale streams a trail of bubbles. The primary male escort whale (center) creates a curtain of bubbles underwater as it swims behind a female (right), with other challenging males trailing behind in a competitive group. The bubbles may be a form of intimidation from the primary escort towards the challenging escorts.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 05968
Adult male north Pacific humpback whale bubble streaming underwater in the midst of a competitive group. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims closely behind a female, . The bubble curtain may be meant as warning or visual obstruction to other nearby males interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 05999
Adult male north Pacific humpback whale bubble streaming underwater in the midst of a competitive group. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims closely behind a female, . The bubble curtain may be meant as warning or visual obstruction to other nearby males interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 06037
Juvenile brown bears near Johnson River. Before reaching adulthood and competition for mating, it is common for juvenile brown bears to seek one another for companionship after leaving the security of their mothers.
Species: Brown bear, Ursus arctos
Location: Johnson River, Lake Clark National Park, Alaska
Image ID: 19171
Primary escort male humpback whale bubble streaming during competitive group socializing. This primary escort is swimming behind a female. The bubble curtain may be a form of intimidation towards other male escorts that are interested in the female.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04432
Eiffel Tower rises over the Trocadero place. The Trocadero, site of the Palais de Chaillot, is an area of Paris, France, in the 16th arrondissement, across the Seine from the Eiffel Tower.
Location: Trocadero, Paris, France
Image ID: 28168
Palais du Luxembourg, Paris. Jardin du Luxembourg. The Jardin du Luxembourg, or the Luxembourg Gardens, is the second largest public park in Paris located in the 6th arrondissement of Paris, France. The park is the garden of the French Senate, which is itself housed in the Luxembourg Palace.
Location: Jardin du Luxembourg, Paris, France
Image ID: 35619
Marie Antoinette with her two eldest children, Marie-Thérèse Charlotte and the Dauphin Louis Joseph, in the Petit Trianon’s gardens, by Adolf Ulrik Wertmüller, Chateau de Versailles, Paris.
Location: Chateau de Versailles, Paris, France
Image ID: 35625
Trocadero. The Trocadero, site of the Palais de Chaillot, is an area of Paris, France, in the 16th arrondissement, across the Seine from the Eiffel Tower.
Location: Trocadero, Paris, France
Image ID: 35642
Humpback whale male escort emits a stream of bubbles during competitive group socializing. The whale is swimming so fast that the bubbles pass back alongside the whale.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02822