Australian Pelican

The Australian Pelican is one of the most recognizable birds of the continent, a huge black-and-white waterbird crowned by a bill that is the longest of any living bird. Perched in a placid row on a jetty rail or gliding low over a coastal lagoon, it is instantly familiar to anyone who has spent time near Australian water. Yet familiarity hides a genuinely remarkable animal: an enormous soaring flier, a cooperative fisher, and one of the most restless wanderers in the bird world.

What sets this pelican apart is its refusal to stay put. It patrols sheltered coasts, estuaries, and city harbors, but it is just as at home hundreds of kilometers inland on rivers, reservoirs, and ephemeral lakes. When rare heavy rains flood the arid interior, such as the filling of Kati Thanda-Lake Eyre in South Australia, pelicans somehow detect the event from vast distances and converge in tens of thousands to breed while the fish are abundant. As the water evaporates, the colonies break up and the birds scatter again across the continent, making the species a living barometer of Australia's boom-and-bust waterscapes.

An adult Australian Pelican is almost impossible to mistake for anything else within its range. The combination of immense size, a mostly white body, boldly black-and-white wings, and that outsized pale bill with its stretchy throat pouch is unique. In flight it is equally distinctive, soaring on broad, flat wings with the head drawn back onto the shoulders and the long bill resting along the neck.

Male vs. female

Males and females look alike in plumage, and there is no seasonal color change in the body feathers, so telling the sexes apart in the field is difficult. The most reliable difference is size: males are noticeably larger and carry a longer, heavier bill than females, a gap that becomes obvious when a pair stands side by side. During the peak of courtship, the bill and pouch of both sexes can flush with brighter color, and the bare skin around the eye and the pouch may show vivid pinks, blues, and yellows for a short period before fading again.

Juveniles

Young Australian Pelicans are duller and browner than the crisp black-and-white adults. Where an adult shows clean black flight feathers, a juvenile's dark areas are a softer, browner tone, and the overall plumage looks less contrasting. The bill and pouch of a young bird are also paler and less richly colored, lacking the bright flushes adults can develop. Full adult appearance is reached gradually over the first couple of years. In busy colonies, well-grown but still-dependent young are the noisiest birds present, crowding the adults and begging loudly for regurgitated fish.

Away from the breeding colony the Australian Pelican is largely silent, which suits its calm, loafing manner. When it does call, it produces deep, low grunts and guttural rumbling sounds, most often during squabbles over food or space and in courtship displays. At the colony the soundscape is very different and far louder.

Breeding adults give a variety of grunts, hisses, and pig-like sounds, and clatter or rattle their long bills during displays. The chicks and dependent young are especially vocal, producing repetitive grunting, squealing, and wheezing begging calls that carry across a crowded colony. Overall this is not a musical species; its voice is a repertoire of low, rough, mechanical noises rather than any true song.

The Australian Pelican occurs throughout mainland Australia and Tasmania, and extends north to New Guinea and parts of Indonesia. It appears irregularly on Pacific islands and reaches New Zealand as a rare vagrant, occasionally in numbers when conditions push birds far from home. It is essentially absent only from the most arid, permanently waterless country and from densely forested terrain that offers no open water.

Habitat is defined by water rather than region. The species uses sheltered marine coasts, estuaries, tidal flats, and harbors, as well as freshwater lakes, rivers, reservoirs, sewage ponds, and floodwaters far inland. Movements are strongly nomadic and driven by rainfall: birds track flooding across the interior and can arrive at newly filled desert lakes with striking speed, then abandon them as they dry. Because of this, local numbers swing enormously from year to year, and a lake that holds thousands of pelicans one season may be empty the next.

Fish form the great majority of the diet, and the pelican's feeding technique is built around its bill and pouch. The bird dips its open bill into the water like a net, scooping up prey together with a large volume of water, then tips the bill down to drain the water before swallowing the catch. The pouch is a fishing tool, not a storage sac, so food is swallowed rather than carried in it.

Australian Pelicans frequently feed cooperatively, a behavior that makes them fascinating to watch. Groups swim in coordinated lines or a horseshoe shape, beating the water with their wings and feet to herd fish into shallows or into a tightening circle where they are easier to scoop. Beyond fish, they take crustaceans such as shrimp and prawns, along with tadpoles, aquatic insects, and other small water animals. They are also opportunists around people, accepting handouts and scavenging scraps at fishing spots, harbors, and cleaning tables.

Breeding is opportunistic and closely tied to water levels rather than to a fixed calendar, so colonies can form at almost any time of year when conditions are right. Pelicans nest colonially on islands, isolated shorelines, and sandy or shingly ground safe from predators, and the largest gatherings, often on remote inland lakes after flooding, can number many thousands of pairs. The best-known events occur when the interior floods and pelicans stream in from across the continent to breed while fish are plentiful.

The nest is a simple shallow scrape on the ground, sometimes lined with a few scraps of grass, feathers, or debris. The usual clutch is one to three eggs, chalky white and often stained during incubation. Both parents share incubation, which lasts around a month, and both feed the young by regurgitation. Chicks from a colony gather into loose creches as they grow, and only some of the brood typically survive to fledge, since the strongest chick often outcompetes its smaller siblings for food.

The Australian Pelican is not a backyard bird, so the goal is not to attract one to a feeder but to know where and how to see this spectacular species well. Fortunately it is common, approachable, and active by day, making it one of the easier large waterbirds to observe across much of Australia.

• Visit coastal jetties, harbors, and boat ramps, where pelicans habitually loaf on rails and pilings and are used to people, especially near fish-cleaning stations.
• Scan estuaries, tidal flats, and river mouths at low tide, prime feeding areas where you may catch birds fishing cooperatively.
• Check inland lakes, reservoirs, and wetlands after rain, since nomadic flocks follow flooding and can appear far from the coast.
• Look up for soaring birds on warm afternoons, when pelicans ride thermals to great heights on broad, flat wings, often in loose groups.
• Watch quietly from a distance at any breeding colony and never approach nests, as disturbance can cause adults to abandon eggs and chicks.
• Please avoid feeding pelicans by hand, since human food is poor for them and discarded hooks and fishing line are a serious hazard around popular fishing spots.

• Great White Pelican: Old World species that is whiter overall with a yellowish bill and pouch; lacks the Australian bird's dark-tipped look and bold wing contrast.
• American White Pelican: Large white North American pelican with black wingtips and an orange-yellow bill; ranges do not overlap with the Australian Pelican.
• Dalmatian Pelican: Very large Eurasian pelican with curly crown feathers and grayer, silvery plumage; found far from Australia.