How to Identify Pelican in Montana

The American White Pelican is massive and unmistakable. Adults are almost entirely white with black flight feathers visible when their wings are spread. The bill is the most distinctive feature: long, flat, and pale yellow or orange-yellow, with a stretchy throat pouch underneath. Their legs are short and positioned far back on the body. Adults can weigh 7 to 13 pounds and have wingspans of 8 to 9 feet, making them among the largest water birds in North America. In breeding season, adult pelicans develop a bright orange bill and may show a fibrous plate on the forehead.

American White Pelicans are considerably larger than most water birds you'll see in Montana. They outweigh bald eagles by 2 to 3 pounds and have much longer wingspans. In the water, they appear as large white mounds that tower over ducks, geese, and cormorants. A group of pelicans on a lake is impossible to mistake for waterfowl. Their bulk makes them visible from a distance even on large bodies of water.

Montana has only one regularly occurring pelican species: the American White Pelican. Brown Pelicans, which are found along coastal states, are rare vagrants to Montana and would show a dark brown body instead of white. Any pelican you see on a Montana lake or river during breeding season is almost certainly an American White Pelican. Historical records do not support any other pelican as a resident or even a regular visitor.

The American White Pelican's bill is remarkable for its color variations. During winter, the bill is pale yellowish or white. As breeding season approaches in spring, the bill brightens to vivid orange-yellow. A prominent ridge or plate sometimes develops across the bill during the most intense breeding period. The throat pouch shifts from pale yellow to orange-yellow or even reddish tones. These color changes signal breeding readiness and are visible on Montana pelicans from April through July when most birds are present.

The most obvious field mark is the throat pouch hanging beneath the bill. No other Montana water bird has this feature. The combination of enormous white body, black wing feathers, and that distinctive pouch make an instant identification. When flying, pelicans show black underwings contrasting sharply with their white bodies. Their neck is held in an S-curve in flight, different from geese or cranes. On the water, their size alone separates them from all other species.

Juvenile American White Pelicans lack the pristine white plumage of adults. Young birds are mottled brown and white with dusky feathering on the wings and back. The bill is smaller and paler, lacking the bright orange of breeding adults. By their second year, juveniles gradually acquire more white plumage, but they retain some dusky feathering until maturity at age 3 or 4. Most pelicans observed in Montana during the breeding season are adults in white plumage, but younger birds may appear motley or gray-toned.

American White Pelicans are generally silent birds. They do not have the vocal range of geese or cranes. On breeding colonies, they may hiss or make low grunting sounds, but these vocalizations are rarely heard from a distance. Pelicans are identified primarily by sight rather than sound. If you hear vocalizations from a large water bird colony in Montana, they are more likely from gulls, terns, or geese rather than the pelicans themselves.

The expandable throat pouch serves as a fishing net. Pelicans scoop this pouch full of water and fish, then drain the water by tilting their head back before swallowing. The pouch is not a storage organ but a capturing tool. When empty, it hangs as a loose flap of skin under the bill. When actively feeding, pelicans fill and empty this pouch repeatedly. Watching a pelican fish gives you a clear view of how this adaptation works and confirms your identification.

Juveniles fledge from Montana colonies in late summer and early fall, typically July through September. Young birds remain in and around Montana through early fall before departing for their wintering grounds. By October, most young pelicans have left the state. During June and July, most birds you observe are breeding adults in pure white plumage. If you spot a mottled or dusky pelican in Montana between July and September, you are likely seeing a juvenile.

American White Pelicans fly in formation, often in long lines or V-shapes. In flight, their enormous white bodies and black-and-white contrast in the wings are distinctive. They fly with slow, powerful wingbeats and often glide between beats. Their long neck is held in a relaxed S-curve. When landing on water, they splash down with considerable impact. A flock of white birds flying in formation over a Montana lake is an unmistakable sight and confirms you are watching pelicans.

Look for American White Pelicans on large, open bodies of water: Flathead Lake, Fort Peck Lake, Canyon Ferry Reservoir, and other major mountain lakes and reservoirs. They favor deep water where they can float and fish in groups. Shallow ponds or small creeks do not typically host pelicans. Breeding colonies occupy remote, island locations away from human disturbance. Seeing a pelican on a small pond would be highly unusual. Stick to large lakes and reservoirs during the May through August breeding season for the best chance of identification.