Search results for Sexual Dimorphism Male - Fem...

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California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Adult winter non-breeding plumage, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28347  
Brown pelican in flight. The wingspan of the brown pelican is over 7 feet wide. The California race of the brown pelican holds endangered species status. Adult winter non-breeding plumage, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
Brown pelican in flight. The wingspan of the brown pelican is over 7 feet wide. The California race of the brown pelican holds endangered species status. Adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28356  
Star Trails over Sky Rock. Sky Rock petroglyphs near Bishop, California. Hidden atop an enormous boulder in the Volcanic Tablelands lies Sky Rock, a set of petroglyphs that face the sky. These superb examples of native American petroglyph artwork are thought to be Paiute in origin, but little is known about them
Star Trails over Sky Rock. Sky Rock petroglyphs near Bishop, California. Hidden atop an enormous boulder in the Volcanic Tablelands lies Sky Rock, a set of petroglyphs that face the sky. These superb examples of native American petroglyph artwork are thought to be Paiute in origin, but little is known about them.
Image ID: 28498  
Enormous Ocean sunfish and freediving photographer, open ocean, Mola mola, San Diego, California
Enormous Ocean sunfish and freediving photographer, open ocean.
Species: Ocean sunfish, Mola mola
Location: San Diego, California
Image ID: 03491  
Joshua Tree National Park, California
Location: Joshua Tree National Park, California
Image ID: 28426  
The Wave in the North Coyote Buttes, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah. The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only
The Wave in the North Coyote Buttes, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah. The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only.
Location: North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona
Image ID: 28601  
Broken Hill in soft pre-dawn light, overlooking the Pacific Ocean and Torrey Pines State Reserve. La Jolla and Mount Soledad in the distance, San Diego, California
Broken Hill in soft pre-dawn light, overlooking the Pacific Ocean and Torrey Pines State Reserve. La Jolla and Mount Soledad in the distance.
Location: Torrey Pines State Reserve, San Diego, California
Image ID: 36564  
Alabaster Nudibranch, white-lined dirona, Dirona albolineata, Vancouver Island, Dirona albolineata
Alabaster Nudibranch, white-lined dirona, Dirona albolineata, Vancouver Island.
Species: Alabaster nudibranch, White-lined dirona, Dirona albolineata
Location: British Columbia, Canada
Image ID: 34329  
Dune Evening Primrose bloom in Anza Borrego Desert State Park, Oenothera deltoides, Anza-Borrego Desert State Park, Borrego Springs, California
Dune Evening Primrose bloom in Anza Borrego Desert State Park.
Species: Dune evening primrose, Oenothera deltoides
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 35203  
One of the male lions of the River Pride, Mara Triangle, Kenya, Panthera leo, Mara North Conservancy
One of the male lions of the River Pride, Mara Triangle, Kenya.
Species: African lion, Panthera leo
Location: Mara North Conservancy, Kenya
Image ID: 39704  
Panorama dimensions: 5760 x 8640
Portrait of Two Sibling Lions of the River Pride, Mara North Conservancy, Kenya, Panthera leo
Portrait of Two Sibling Lions of the River Pride, Mara North Conservancy, Kenya.
Species: African lion, Panthera leo
Location: Mara North Conservancy, Kenya
Image ID: 39729  
Panorama dimensions: 5400 x 8640
Brown pelican in flight with wings spread wide, slowing as it returns from the ocean to land on seacliffs, adult winter non-breeding plumage, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
Brown pelican in flight with wings spread wide, slowing as it returns from the ocean to land on seacliffs, adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38608  
Royal Tern in flight, adult non-breeding plumage, La Jolla, Sterna maxima, Thalasseus maximus
Royal Tern in flight, adult non-breeding plumage, La Jolla.
Species: Royal tern, Sterna maxima, Thalasseus maximus
Location: La Jolla, California
Image ID: 38952  
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, Ursus americanus, Orr, Minnesota
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  
The Wave, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah.  The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only
The Wave, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah. The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only.
Location: North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona
Image ID: 20608  
A great white shark swims underwater through the ocean at Guadalupe Island, Carcharodon carcharias, Guadalupe Island (Isla Guadalupe)
A great white shark swims underwater through the ocean at Guadalupe Island.
Species: Great white shark, Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 21349  
Earth shadow over Los Islotes Island, famous for its friendly colony of California sea lions, Espiritu Santo Biosphere Reserve, Sea of Cortez, Baja California, Mexico
Earth shadow over Los Islotes Island, famous for its friendly colony of California sea lions, Espiritu Santo Biosphere Reserve, Sea of Cortez, Baja California, Mexico.
Location: Sea of Cortez, Baja California, Mexico
Image ID: 27364  
Panorama dimensions: 5269 x 12646
Ocean sunfish schooling, open ocean near San Diego, Mola mola
Ocean sunfish schooling, open ocean near San Diego.
Species: Ocean sunfish, Mola mola
Location: San Diego, California
Image ID: 03562  
Pre-Dawn over the Tree of Eons, Utah. The Tree of Eons is a spectacular geologic sight near the San Rafael Swell.  Erosion has cut a "tree" through red, blue, purple and white layers of the Chinle formation. The Tree of Eons is a superb example of dendritic erosion and to really appreciate the complex fractal-like details it must be observed from above.  Photographed here in the soft, predawn light, it takes on magenta, red and purple hues just before the sun reaches it. Aerial panoramic photograph
Pre-Dawn over the Tree of Eons, Utah. The Tree of Eons is a spectacular geologic sight near the San Rafael Swell. Erosion has cut a "tree" through red, blue, purple and white layers of the Chinle formation. The Tree of Eons is a superb example of dendritic erosion and to really appreciate the complex fractal-like details it must be observed from above. Photographed here in the soft, predawn light, it takes on magenta, red and purple hues just before the sun reaches it. Aerial panoramic photograph.
Location: Utah
Image ID: 38027  
Blackside hawkfish on hard coral, Paracirrhites forsteri, close-up, Fiji, Paracirrhites forsteri, Namena Marine Reserve, Namena Island
Blackside hawkfish on hard coral, Paracirrhites forsteri, close-up, Fiji.
Species: Blackside hawkfish, Paracirrhites forsteri
Location: Namena Marine Reserve, Namena Island, Fiji
Image ID: 34759  
Spiral-gilled tubeworm, Christmas tree worm, Blue Christmas Tree Worm Spirobranchus giganteus, Fiji, Spirobranchus giganteus
Spiral-gilled tubeworm, Christmas tree worm, Blue Christmas Tree Worm Spirobranchus giganteus, Fiji.
Species: Christmas tree worm, Spirobranchus giganteus
Location: Fiji
Image ID: 34777  
Sand verbena wildflowers on sand dunes, Anza-Borrego Desert State Park, Abronia villosa, Borrego Springs, California
Sand verbena wildflowers on sand dunes, Anza-Borrego Desert State Park.
Species: Sand verbena, Abronia villosa
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 35115  
The Eiffel Tower with the Trocodero seen in the distance across the Seine, Paris, France. The Eiffel Tower is an iron lattice tower located on the Champ de Mars in Paris, named after the engineer Gustave Eiffel, who designed the tower in 1889 as the entrance arch to the 1889 World's Fair. The Eiffel tower is the tallest structure in Paris and the most-visited paid monument in the world, Tour Eiffel
The Eiffel Tower with the Trocodero seen in the distance across the Seine, Paris, France. The Eiffel Tower is an iron lattice tower located on the Champ de Mars in Paris, named after the engineer Gustave Eiffel, who designed the tower in 1889 as the entrance arch to the 1889 World's Fair. The Eiffel tower is the tallest structure in Paris and the most-visited paid monument in the world.
Location: Tour Eiffel, Paris, France
Image ID: 35601  
La Sainte-Chapelle, The Holy Chapel, is one of the only surviving buildings of the Capetian royal palace on the Ile de la Cite in the heart of Paris, France. It was commissioned by King Louis IX of France to house his collection of Passion Relics, including the Crown of Thorns - one of the most important relics in medieval Christendom
La Sainte-Chapelle, The Holy Chapel, is one of the only surviving buildings of the Capetian royal palace on the Ile de la Cite in the heart of Paris, France. It was commissioned by King Louis IX of France to house his collection of Passion Relics, including the Crown of Thorns - one of the most important relics in medieval Christendom.
Location: La Sainte-Chapelle, Paris, France
Image ID: 35602  
Purple-striped jellyfish, Coronado Islands, Mexico, Coronado Islands (Islas Coronado)
Purple-striped jellyfish, Coronado Islands, Mexico.
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 37049  
The Children's Pool, also known as Casa Cove, in pre-dawn light, La Jolla. Seal Rock in the foreground
The Children's Pool, also known as Casa Cove, in pre-dawn light, La Jolla. Seal Rock in the foreground.
Location: La Jolla, California
Image ID: 37475  
Courting pair of southern right whales underwater, Eubalaena australis. While the posture in this photo isn't quite mating, it is a courting behavior that often precedes mating.  The male is below, upside down and trying to access the female belly-to-belly. However, the female does not want to mate, so she has positioned herself upside down at the surface so that the males in the courting group cannot reach her genital slit, Eubalaena australis, Puerto Piramides, Chubut, Argentina
Courting pair of southern right whales underwater, Eubalaena australis. While the posture in this photo isn't quite mating, it is a courting behavior that often precedes mating. The male is below, upside down and trying to access the female belly-to-belly. However, the female does not want to mate, so she has positioned herself upside down at the surface so that the males in the courting group cannot reach her genital slit.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38446  
Kelp fronds showing pneumatocysts, bouyant gas-filled bubble-like structures which float the kelp plant off the ocean bottom toward the surface, where it will spread to form a roof-like canopy, Macrocystis pyrifera, San Clemente Island
Kelp fronds showing pneumatocysts, bouyant gas-filled bubble-like structures which float the kelp plant off the ocean bottom toward the surface, where it will spread to form a roof-like canopy.
Species: Giant kelp, Macrocystis pyrifera
Location: San Clemente Island, California
Image ID: 38498  
Red gorgonian and California golden gorgonian on underwater rocky reef, San Clemente Island. The golden gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Each individual polyp is a distinct animal, together they secrete calcium that forms the structure of the colony. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by, Leptogorgia chilensis, Lophogorgia chilensis, Muricea californica
Red gorgonian and California golden gorgonian on underwater rocky reef, San Clemente Island. The golden gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Each individual polyp is a distinct animal, together they secrete calcium that forms the structure of the colony. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, California golden gorgonian, Leptogorgia chilensis, Lophogorgia chilensis, Muricea californica
Location: San Clemente Island, California
Image ID: 38499  
California sea lion resting alongside a drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego, Zalophus californianus
California sea lion resting alongside a drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego.
Species: California sea lion, Zalophus californianus
Location: San Diego, California
Image ID: 38535  
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