Bill Throw Photos

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch, winter adult non-breeding plumage coloration.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38935  

Spectacular Brown Pelican Head Throw Display. This California brown pelican is arching its head and neck way back, opening its mouth in a behavior known as a head throw or bill throw.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38675  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30304  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch. Note the winter breeding plumage, yellow head, red and olive throat, pink skin around the eye, brown hind neck with some white neck side detail, gray breast and body.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 39873  

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.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38888  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the winter mating plumage, olive and red throat, yellow head.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30336  

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 Performs a Head Throw Lit By Sun on Pedestal Rock, dark ocean from storm clouds on horizon.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 39820  

Perfect Brown Pelican Head Throw in Winter Breeding Plumage, pelican leans its head way back to stretch its throat pounch and neck.
Species: Brown Pelican, Pelecanus occidentalis californicus, Pelecanus occidentalis
Image ID: 39884  

California Brown Pelican claps its jaws, sometimes rapidly several times, perhaps to dislodge debris or simply because its fun and feels good. This is not the same as the "yawn" that precedes a head throw. Adult winter breeding plumage with brown hind-neck.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38590  

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.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38691  

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.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38879  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 36678  

Brown Pelican Head Throw with Distant Cliffs in Background, partially side lit at sunrise.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38866  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch, winter adult non-breeding plumage coloration.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38937  

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: 30174  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch, winter adult nonbreeding plumage coloration.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38880  

Brown pelican head throw. During a bill throw, the pelican arches its neck back, lifting its large bill upward and stretching its throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20257  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the winter mating plumage, olive and red throat, yellow head.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Image ID: 36606  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the winter mating plumage, olive and red throat, yellow head.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30327  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the winter mating plumage, olive and red throat, yellow head.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30339  

Brown pelican head throw in soft pre-sunrise light, adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38585  

Brown pelican head throw in soft pre-sunrise light, adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38586  

California Brown Pelican claps its jaws, sometimes rapidly several times, perhaps to dislodge debris or simply because its fun and feels good. This is not the same as the "yawn" that precedes a head throw. Adult winter non-breeding plumage. Mandible clap, jaw clap.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38593  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 29085  

Brown pelican head throw. During a bill throw, the pelican arches its neck back, lifting its large bill upward and stretching its throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20258  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending backwards, stretching its neck and gular pouch, winter adult breeding plumage coloration.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 40252  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the unusual yellow coloration of the gular pouch, which is normally red in winter adults. Yellow morph.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 36714  

Two California Brown Pelicans performing a perfectly synchronous simultaneous head throw. Both display classic winter breeding plumage. Set against the Pacific Ocean.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 37564  

California Brown pelican performing a head throw, with breeding plumage including distinctive yellow and white head feathers, red gular throat pouch, brown hind neck and greyish body.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 37635