Search results for Brown Headed Cowbird

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Adult California brown pelican in transition from non-breeding to breeding winter plumage. Note the brown hind neck of a breeding brown pelican is just filling in. This pelican already displays the red and olive throat and white and yellow head feathers of an adult winter brown pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
California brown pelican orange morph, preening its feathers while on cliffs over the ocean. While this adult brown pelican exhibits the brown hind neck of a breeding adult, it displays an unusual orange throat rather than the more typical red, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
Spectacular Brown Pelican Head Throw Display. This California brown pelican extends its head and bill up and back, stretching its neck and pouch in a behavior known as a head throw or bill throw. Adult winter breeding plumage. Pelican yoga, High Mountain pose, Tadasan, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
Marichyasana, sage twist pose, pelican yoga. Brown pelican doing yoga, actually its preening, bending its neck back to spread preen oil on the back of the head and neck, likely second winter coloration, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
California Brown Pelican Flying over the Ocean, wings outstretch, with a few other pelicans in the background, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
California Brown Pelican banking and turning as it flies over the ocean, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
California Brown Pelican in flight, spreading wings wide to slow before landing on cliffs, Pelecanus occidentalis, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch, winter adult breeding plumage coloration, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
Young brown pelican performing yoga Warrior Three or Half Moon Pose Virabhadrasana, on one leg with wings raised and head tipped forward. Possible second or third year winter plumage, immature, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
Pelican in Flight over Huge Waves in La Jolla, foamy ocean background, adult winter breeding plumage, wings spread wide, Pelecanus occidentalis, Pelecanus occidentalis californicus
Yellow morph California brown pelican preening, cleaning its feathers after foraging on the ocean, with distinctive winter breeding plumage with distinctive dark brown nape, yellow head feathers. Note the unusual yellow gular throat pouch, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
A brown pelican preening, uropygial gland (preen gland) visible near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry. Note adult winter breeding plumage in display, with brown neck, red gular throat pouch and yellow and white head. This adult is just transitioning to the brown hind neck that characterizes breeding brown pelicans, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
Brown pelican in flight, spreading wings wide to slow in anticipation of landing on seacliffs, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California
California Brown Pelican flying over a breaking wave, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
Black-headed grosbeak, male, Pheucticus melanocephalus, Madera Canyon Recreation Area, Green Valley, Arizona
Brown-headed cowbird, male, Molothrus ater, Amado, Arizona
The bisons massive head is its most characteristic feature. Its forehead bulges because of its convex-shaped frontal bone. Its shoulder hump, dwindling bowlike to the haunches, is supported by unusually long spinal vertebrae. Over powerful neck and shoulder muscles grows a great shaggy coat of curly brown fur, and over the head, like an immense hood, grows a shock of black hair. Its forequarters are higher and much heavier than its haunches. A mature bull stands about 6 1/2 feet (2 meters) at the shoulder and weighs more than 2,000 pounds (900 kilograms). The bisons horns are short and black. In the male they are thick at the base and taper abruptly to sharp points as they curve outward and upward; the females horns are more slender, Bison bison, Yellowstone National Park, Wyoming
Two mature brown bears fight to establish hierarchy and fishing rights, Ursus arctos, Brooks River, Katmai National Park, Alaska
Brown bear waits for salmon at Brooks Falls. Blurring of the water is caused by a long shutter speed. Brooks River, Ursus arctos, Katmai National Park, Alaska
California brown pelican spreads its wings wide as it slows before landing on seacliffs, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla
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, 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, 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, Ursus americanus, Orr, Minnesota
Brown bear walks on tide flats. Grizzly bear, Ursus arctos, Lake Clark National Park, Alaska
Juvenile female coastal brown bear (grizzly bear) grazes on sedge grass, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear in meadow. The tall sedge grasses in this coastal meadow are a food source for brown bears, who may eat 30 lbs of it each day during summer while waiting for their preferred food, salmon, to arrive in the nearby rivers, Ursus arctos, Lake Clark National Park, Alaska
A brown bear mother (sow) stands in tall sedge grass to look for other approaching bears that may be a threat to her cubs, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear forages for razor clams in sand flats at extreme low tide. Grizzly bear, Ursus arctos, Lake Clark National Park, Alaska
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