Taxonomy & Related Groups comparison

Puffin vs Pelican: Key Differences Explained

The short answer

Both catch fish with a highly specialised bill, and that is where the resemblance stops. A puffin is a small auk of cold northern seas whose deep, narrow, seasonally plated bill holds several small fish crosswise for the flight home. A pelican is a very large waterbird whose enormous bill carries an elastic throat pouch used as a dip net, draining water before the catch is swallowed. Puffins chase prey underwater on beating wings; pelicans work at the surface.

The main difference

A puffin's compact plated bill grips several small fish crosswise for carrying, while a pelican's huge bill and elastic pouch scoop water and fish together and strain the water away.

Both birds are known almost entirely for their bills, which invites the assumption that they are related, when in fact they belong to different orders and solve the same problem from opposite ends of the size scale.

At a glance

Comparison of Puffin and Pelican across 7 dimensions, with an interpretation of each difference.
What differs	Puffin	Pelican	What it means
Order and family	Family Alcidae within Charadriiformes, the order that also holds gulls, terns and waders	Genus Pelecanus, the only genus in Pelecanidae, within Pelecaniformes alongside herons and ibises	They are not close relatives at all; both simply happen to eat fish for a living.
Bill and pouch	Short, deep and laterally compressed, with a spiny palate that pins caught fish	Very long bill with a distensible gular pouch that can hold more water than the stomach holds food	One bill is a carrying rack, the other a straining net; neither could do the other's job.
Feeding method	Pursuit-dives, flying underwater after small schooling fish	Scoops at the surface, often in coordinated groups; brown and Peruvian pelicans plunge from the air	Depth of pursuit is the real division: one hunts inside the water column, the other at its ceiling.Pelican technique differs sharply between species, so a statement about one pelican may not fit another.
Size and wingspan	Roughly 28-32 cm long with short narrow wings built for underwater flapping	Among the largest flying birds, with the biggest species approaching a three-metre wingspan	Wing design follows feeding method: stubby wings for diving, long broad wings for soaring and gliding.
Feet	Three forward toes joined by webs, the usual palmate arrangement	All four toes joined in a single web, the totipalmate foot	Foot structure is a quiet clue to relationships that plumage and bills tend to hide.
Habitat	Cold northern seas, coming ashore only to breed on islands and cliffs	Warm and temperate coasts, estuaries, lakes and inland wetlands across most continents	Only one of the two uses fresh water, and only one spends months out of sight of land.
Nest site	A burrow dug in island turf or a crevice among boulders	Colonial nests on the ground, on islands or in trees according to species	Both nest in colonies, but only the puffin raises its chick out of sight underground.

Order and family: PuffinFamily Alcidae within Charadriiformes, the order that also holds gulls, terns and waders
PelicanGenus Pelecanus, the only genus in Pelecanidae, within Pelecaniformes alongside herons and ibises
They are not close relatives at all; both simply happen to eat fish for a living.
Bill and pouch: PuffinShort, deep and laterally compressed, with a spiny palate that pins caught fish
PelicanVery long bill with a distensible gular pouch that can hold more water than the stomach holds food
One bill is a carrying rack, the other a straining net; neither could do the other's job.
Feeding method: PuffinPursuit-dives, flying underwater after small schooling fish
PelicanScoops at the surface, often in coordinated groups; brown and Peruvian pelicans plunge from the air
Depth of pursuit is the real division: one hunts inside the water column, the other at its ceiling.Pelican technique differs sharply between species, so a statement about one pelican may not fit another.
Size and wingspan: PuffinRoughly 28-32 cm long with short narrow wings built for underwater flapping
PelicanAmong the largest flying birds, with the biggest species approaching a three-metre wingspan
Wing design follows feeding method: stubby wings for diving, long broad wings for soaring and gliding.
Feet: PuffinThree forward toes joined by webs, the usual palmate arrangement
PelicanAll four toes joined in a single web, the totipalmate foot
Foot structure is a quiet clue to relationships that plumage and bills tend to hide.
Habitat: PuffinCold northern seas, coming ashore only to breed on islands and cliffs
PelicanWarm and temperate coasts, estuaries, lakes and inland wetlands across most continents
Only one of the two uses fresh water, and only one spends months out of sight of land.
Nest site: PuffinA burrow dug in island turf or a crevice among boulders
PelicanColonial nests on the ground, on islands or in trees according to species
Both nest in colonies, but only the puffin raises its chick out of sight underground.

How they are related

Puffins are three species of Fratercula in Alcidae, the auk family, which sits among the shorebirds and gulls in Charadriiformes. Pelicans are eight species of Pelecanus, the only genus in Pelecanidae, within Pelecaniformes, an order that also contains herons, egrets, ibises and the hamerkop. The two lineages are separated by a long stretch of bird evolution, and their shared reputation for extraordinary bills is coincidence rather than inheritance.

A note on naming: Puffin refers to three species of Fratercula, and pelican to eight species of Pelecanus whose feeding techniques and habitats differ considerably.

Telling them apart

There is no realistic chance of confusion in the field, only in the abstract. A puffin is hand-sized, black above and white below, with orange legs and, in summer, a bill striped orange and grey. A pelican is one of the largest flying birds alive, pale or brown, with a long bill and an obvious throat pouch that becomes conspicuous when stretched. Even in silhouette the difference in wingspan is unmistakable.

Hand-sized, black and white, with a deep triangular bill and a burrow on a cold northern island: puffin. Very large, long-billed, with a stretchy throat pouch, on a warm coast or an inland lake: pelican. If the bird is soaring on broad wings above a lagoon, it is a pelican. If it is whirring low over grey water on stubby wings with fish protruding from its bill, it is a puffin.

Habitat and distribution

Puffins live on cold ocean, breeding on North Atlantic and North Pacific islands and headlands and wintering far offshore. Pelicans occupy warm and temperate coasts, deltas, lagoons, lakes and rivers on every continent except Antarctica, and several species are as much freshwater birds as marine ones. Their ranges brush past each other only where temperate coasts meet, and they are not found feeding in the same water.

Diet and ecological role

Both are fish eaters, but at very different scales and depths. Puffins take small schooling fish such as sandeels and capelin, along with some invertebrates, caught in pursuit below the surface. Pelicans take larger fish, and in some species amphibians and other prey, gathered by scooping at or just beneath the surface. Where prey stocks shift, both feel it, since neither can switch easily to a different foraging method.

Behaviour

Puffins are burrow nesters, arriving at colonies in a mass and raising a single chick out of sight, with adults commuting between burrow and sea. Several pelican species feed cooperatively, driving fish into shallows in a line and scooping together, and they nest colonially in the open where their size deters most predators. Brown and Peruvian pelicans instead plunge-dive individually from height, a style the other species do not use.

Senses and adaptations

The puffin's palate spines, deep bill and folding wing let it hunt inside the water column and still carry a load home through the air. The pelican's pouch is a muscular, highly elastic net supported by flexible lower bill bones that bow outward as it fills, with the water drained before swallowing. Pelicans also have air sacs under the skin that add buoyancy and cushion the impact of plunge-diving in the species that use it.

More on this topic: Animal senses and adaptations.

Lifespan and life stages

Both are slow-breeding, relatively long-lived birds. Puffins ringed as adults have returned to colonies for more than twenty years and some considerably longer. Pelicans are also long-lived, with individuals in the wild recorded well into their teens and twenties and captive birds older still. In both groups, most mortality falls in the first year, so averages across a whole population sit far below what a surviving adult can reach.

People and these animals

Pelicans appear in heraldry, religious imagery and coastal folklore, and the old rhyme about a beak holding more than the belly can is the origin of most misunderstandings about the pouch. Puffins are a tourism draw on northern islands and were historically harvested for meat, eggs and feathers in some communities. Both suffer from fishing gear entanglement, pollution and disturbance at colonies, though the specific pressures differ by region.

Keeping them: what to understand first

Neither is a pet. Both are protected wild birds across most of their ranges, and pelicans in particular are large, powerful and long-lived animals kept only in zoos with substantial water facilities and specialist care. Injured or oiled birds are handled by licensed rehabilitators working with veterinarians. Whether any animal belongs with a household depends on law, welfare capacity and lifelong responsibility, and this page makes no recommendation about acquiring one.

Conservation context

Puffin colonies in parts of the North Atlantic have declined where prey fish availability has changed, and introduced mammals are a serious risk on breeding islands. Pelican fortunes vary by species: some are widespread and stable, others depend on a small number of wetlands and are far more precarious, and one North American species recovered strongly after pesticide restrictions. Both groups are sensitive to wetland and fishery management decisions made far from their colonies.

Individual puffin and pelican species carry very different assessments. Check the current IUCN Red List entry for the species rather than generalising across either group.

What they have in common

Both are fish-eating birds with bills heavily modified for catching prey.
Both nest in colonies and both are vulnerable to disturbance at breeding sites.
Both have webbed feet and swim well on the surface.
Both are affected by fishery management and by entanglement in gear.

Key differences

Puffins pursue prey underwater; pelicans feed at or just below the surface.
The pelican pouch strains water, while the puffin bill carries fish crosswise.
Pelicans are among the largest flying birds; puffins are hand-sized.
Pelican feet are totipalmate, joining all four toes, unlike the puffin's three-toed web.
Pelicans use fresh water widely, whereas puffins are birds of cold open sea.

Where people go wrong

Assuming a pelican keeps fish in its pouch until it is hungry.
Treating both as related simply because both are known for their bills.
Expecting all pelicans to plunge-dive when most feed by scooping at the surface.

Frequently asked questions

Does a pelican store fish in its pouch for later?

No. The pouch works as a net and a strainer, not a larder. Water and fish come in together, the bird tips its bill to let the water drain, then swallows. Food is not kept there between meals; adults carry partly digested food in the stomach and regurgitate it for chicks. The old rhyme about a beak holding more than the belly is about capacity, not storage.

How does a puffin keep hold of one fish while catching the next?

Backward-facing spines on the palate and a muscular tongue pin each fish in place, so the bill can open again without releasing the catch. The fish end up lying crosswise, often facing alternate directions. This lets a puffin bring several small prey items back to a burrow chick in one flight, which matters when the feeding grounds are far offshore and each trip is costly.

Are puffins and pelicans related in any way?

Only distantly, as birds. Puffins sit in Alcidae within the gull and wader order, while pelicans are the sole genus of Pelecanidae in an order shared with herons and ibises. The two lineages diverged long ago, and their comparable fame rests on bills that evolved separately for different fishing methods. Similar reputations are not evidence of a shared branch on the tree.

Could a pelican chase fish underwater like a puffin does?

No. A pelican is built for the surface and the air above it, with buoyant air sacs, long broad wings and a body that does not sink easily. Brown and Peruvian pelicans plunge from height to reach fish just below the surface, but they do not swim down after prey. A puffin, by contrast, flies underwater with folded, beating wings and can work well beneath the surface.

Which of the two might turn up on an inland lake?

The pelican. Several species, including the great white and the American white pelican, are strongly associated with inland lakes, marshes and river deltas, and some breed nowhere near the sea. Puffins are pelagic birds that spend the non-breeding season on open ocean and come to land only to breed on coastal cliffs and islands. A large pouched bird inland is never a puffin.

Read the full profiles

Sources and methodology

How this comparison is built: FaunaHub comparisons are assembled from the sourced animal profiles behind them rather than written as standalone claims. Figures such as size, mass, and lifespan are typical ranges that vary by subspecies, population, region, sex, age, and — where relevant — whether an animal lives in the wild or under human care, so they are presented as ranges rather than fixed values. Where a common name covers a group rather than a single species, the page says so instead of implying a species-to-species match. Conservation status changes over time and should be confirmed against the current IUCN Red List. Dimensions that could not be supported from the underlying profiles are omitted rather than filled in.

What this page does not do: it does not rank the two animals, predict the outcome of a confrontation, or present either one as stronger, smarter, or better. It is not veterinary, medical, first-aid, handling, capture, hunting, or pest-control guidance. For an animal in your care, or any situation involving injury, contact a qualified veterinarian, your local wildlife authority, or emergency services.

Sources and further reading

Authoritative references used for general educational context. External links open in a new tab. These sources do not endorse FaunaHub.

UniversityAnimal Diversity Web — Fratercula arctica (Atlantic puffin) — University of Michigan species account
UniversityCornell Lab of Ornithology — All About Birds — Cornell University ornithology reference for bird species
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — Pelecanus occidentalis (brown pelican) — University of Michigan species account
Wildlife referenceNational Audubon Society — Bird Guide — Bird identification and conservation reference
UniversityAnimal Diversity Web — University of Michigan Museum of Zoology — Peer-edited reference accounts for animal species

Last updated: 2026-08-04