The Brown Pelican (Pelecanus occidentalis): Master Fisher of the Seas
The Brown Pelican is an impressive seabird, famous for its large throat pouch and spectacular dives.
An Icon of the American Coasts
The Brown Pelican (Pelecanus occidentalis) is a largeseabird, instantly recognizable by its huge bill equipped with an expandable throat pouch, the gular pouch. Unlike other pelicans that fish in groups on the surface, the Brown Pelican is known for its spectacular and solitary fishing technique: plunge-diving. It patrols the air before folding its wings and slicing through the water to capture its prey, an unforgettable sight for any observer.
Our Ornithologist's Tip
By the Les-Oiseaux.com team, published on July 25, 2025
My advice: For the Brown Pelican, the show happens above the water. Forget about being discreet and find a spot on a pier, dock, or quiet beach. Patience is key.
Look for one or more of these large birds patrolling in a low formation over the waves. Suddenly, one will tip over, fold its wings, and cut through the water in a powerful and precise plunge-dive. Watch it then resurface, drain the water from its large gular pouch, and swallow its catch. It is this aerial fishing technique that is THE unforgettable signature of the Brown Pelican.
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Identifying the Brown Pelican
Its plumage varies considerably with age and season.
Breeding Adult: The body is silvery-gray with a rich, chocolate-brown neck. The head and upper neck are white, often with a yellow or brownish wash on the crown. The gular pouch darkens.
Non-breeding Adult: The head and neck become entirely white.
Juvenile: It is duller, with a brownish head, neck, and back, and a white belly. It takes several years to acquire its full adult plumage.
In Flight: It has a massive silhouette with a large wingspan. It flies with powerful wing beats alternating with long glides, often just above the waves. Its head is tucked back on its shoulders during flight.
Scientific Dimensions and Records (Brown Pelican)
Characteristic
Male
Female
Record / Average
Length
105 – 150 cm
100 – 140 cm
100 – 152 cm (adults)
Weight
2.7 – 5 kg
2.1 – 4 kg
2 – 9 kg (adults)
Wingspan
200 – 228 cm
200 – 220 cm
200 – 228 cm (adults)
Diet
Piscivorous/Carnivorous
Piscivorous/Carnivorous
Fish (primarily), crustaceans, worms, carrion
Life Expectancy
25 – 40 years
25 – 40 years
Up to 43 years (in the wild)
These figures confirm that the Brown Pelican is a large aquatic bird of the American coasts, renowned for its plunge-diving fishing technique and its distinctive plumage.
Brown Pelican vs. American White Pelican: The Fishermen's Duel
Although their silhouettes are similar, the Brown Pelican is often confused with the American White Pelican (*Pelecanus erythrorhynchos*), especially in areas where their ranges overlap. Their color is an obvious clue, but their fishing behavior is the most foolproof criterion.
Brown Pelican
Plumage: Mostly brownish-gray body.
Fishing Technique:Spectacular diver. It plunges from the sky to catch its prey.
Habitat: Strictly marine and coastal.
Size: Slightly smaller and more slender.
White Pelican
Plumage: Brilliant white, with black wingtips (visible in flight).
Fishing Technique: Surface fishing, often in cooperative groups. Never dives from the sky.
Habitat: Coasts, but also inland lakes and rivers.
Special feature: Develops a "horn" on its bill during the breeding season.
Tip: The fishing method is the best way to tell them apart from a distance. If a pelican dives headfirst into the ocean, it's a Brown Pelican. If it's floating and fishing in a group, it's an White Pelican.
Song and Calls
The Brown Pelican is a mostly silent bird, especially away from its colonies. At nesting sites, adults may produce a variety of harsh grunts and croaks. The young emit piercing screams to beg for food.
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Habitat and Distribution
The Brown Pelican is a strictly coastal and marine bird. It is found on coasts, estuaries, bays, and in mangroves. It avoids the open sea and rarely ventures far inland.
Distribution Map
Its range extends along the coasts of the Americas, from Nova Scotia in the north to the mouth of the Amazon River in the south in the Atlantic, and from British Columbia to Chile in the Pacific.
Present all year (Resident)
Non-breeding area (Wintering)
Diet and Plunge-Diving
The Brown Pelican's diet consists almost exclusively of fish (such as anchovies, sardines, and menhaden). Its hunting technique is unique: it spots its prey while flying up to 65 feet (20 meters) high, then plunges headfirst with its wings folded. Just before impact, it twists to absorb the shock with its chest and gular pouch. Underwater, its pouch expands to scoop up fish and a large amount of water (up to 2.6 gallons or 10 liters). It then surfaces, points its bill downward to drain the water, and swallows the fish.
Nesting and Reproduction
The Brown Pelican nests in colonies, sometimes consisting of several thousand pairs. The nest, a simple structure of sticks and debris, is built either on the ground on isolated islands or in bushes or trees like mangroves. The female typically lays 2 to 3 chalky-white eggs. Both parents take turns incubating, which is unusual: they incubate not with their belly but with the webbing of their feet, which are rich in blood vessels.
Frequently Asked Questions (FAQ)
Does the pelican carry food in its pouch?
Contrary to popular belief, no. The pelican's gular pouch serves as a net to catch fish, but not as a "shopping basket." Once the water is drained, it swallows its prey immediately. It never flies with food in its pouch.
Where can Brown Pelicans be seen?
The Brown Pelican is a common resident of the Americas. It can be easily spotted along the Atlantic, Pacific, and Gulf coasts, from North America down to South America, as well as throughout the Caribbean.
Is the Brown Pelican an endangered species?
The Brown Pelican was on the brink of extinction in the 1960s and 70s due to poisoning from DDT, a pesticide that thinned its eggshells. Following the ban on DDT, its populations made a spectacular recovery. Today, the species is listed as "Least Concern" (LC) by the IUCN, although it remains threatened by plastic pollution, habitat loss, and overfishing.