🦆 Eastern Brown Pelican Facts

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Eastern Brown Pelican

The Brown Pelican is a large bird with a 6½ foot wingspan. It has an immense bill, and in breeding season its distensible gular (throat) pouch is olive to red. The body is grayish-brown with a blackish belly. Non-breeding adults have white heads and necks; breeding adults have dark chestnut hind-necks and a yellow patch at the base of the fore-neck. Immature Brown Pelicans have dark heads. In flight, the long neck is folded back on the body.

Eastern Brown Pelican Facts

The Brown Pelican is a coastal bird that is rarely found away from the sea. The birds on the Pacific Coast nest on islands off the coasts of southern California and Mexico. After the breeding season, they move north along the coast, frequenting shallow marine areas such as bays, offshore islands, spits, breakwaters, and open sandy beaches.

Behavior

While foraging, Brown Pelicans dive from 30 feet or more in the air, plunging headfirst into the water to catch fish. If successful, they throw their heads back to swallow prey. Brown Pelicans feed and roost together, and nest in colonies. Groups of Brown Pelicans may be seen flying low over the waves or in loose formation at greater heights. Brown Pelicans are generally silent after fledging.

Diet

The Brown Pelican’s diet consists almost entirely of fish such as smelt and anchovies. Brown Pelicans also eat some crustaceans and occasionally scavenge or take handouts from fishermen.

Nesting

Brown Pelicans nest on the ground, on cliffs, or in low trees. The female builds the nest with material gathered by the male. The nest is either a simple scrape lined with a few twigs and feathers or a large stick nest in a tree. The female lays one brood of 2-4 eggs (usually 3) each year. Both parents incubate. The altricial young are fed semi-digested fish by both parents. Young may leave the ground nest after 5 weeks, but young in tree nests remain an additional 2 weeks. After fledging, the young gather in groups, but the parents recognize and continue to feed their own young.

Conservation Status

Brown Pelicans experienced a large-scale population collapse in the 1950s and ’60s because of pesticide contamination. DDT released into the Pacific with agricultural runoff was concentrated in anchovies, causing eggshell thinning in birds that consumed these fish. Since the banning of DDT in 1972, Brown Pelican numbers have increased dramatically along the Pacific Coast. Now low-flying aircraft are the primary disturbance to roosting birds.

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