The wandering albatross has the longest wingspan of any bird alive, up to 12 feet

The wandering albatross carries the longest wingspan of any living bird, stretching up to roughly 12 feet from tip to tip. Those immense wings let the seabird glide across the vast Southern Ocean for hours and even days with barely a flap, covering thousands of miles in search of food. The bird is a master of energy-efficient flight, exploiting the wind over the open sea in a way no other animal can quite match.

The largest wingspan of any bird

The wandering albatross has a wingspan that can reach about 3.5 meters, or close to 12 feet, the greatest of any bird alive today. That measurement exceeds the height of a basketball hoop and dwarfs the wingspans of even large raptors and other seabirds. The species is documented by the Australian Antarctic Program, which studies the seabirds of the Southern Ocean. The extreme length of the wings is not for powered flapping flight but for gliding, and it is the defining adaptation of the bird’s life at sea.

Long, narrow wings are well suited to soaring but poorly suited to flapping, which is metabolically costly. The wandering albatross has evolved to avoid flapping as much as possible, relying instead on the wind to stay aloft.

Dynamic soaring across the Southern Ocean

The albatross’s signature flight technique is called dynamic soaring, a method of harvesting energy from the wind gradient just above the ocean surface. Wind moves faster higher up and slower near the waves, and the bird repeatedly climbs into the faster air and then descends, converting the difference in wind speed into forward momentum. By threading this pattern over and over, the albatross can travel enormous distances while expending remarkably little energy. Studies have shown that a foraging wandering albatross can cover thousands of miles on a single trip and may circle the globe multiple times over its long life. Research on Southern Ocean seabirds and their foraging ranges is supported by bodies such as the U.S. National Science Foundation and its polar programs.

This efficiency is what allows the bird to range so widely. Rather than staying near a fixed feeding ground, the wandering albatross roams across the open ocean, following winds and hunting where prey is available.

A life spent almost entirely at sea

The wandering albatross spends the overwhelming majority of its life over water, coming to land only to breed on remote sub-Antarctic islands. It feeds on squid, fish, and other marine animals, often taking them at the surface, and can drink seawater thanks to specialized glands that excrete excess salt. Because it is so well adapted to gliding, the bird can remain aloft in strong winds that would ground most other flyers, which is one reason it thrives in the storm-swept latitudes of the Southern Ocean. Conservation assessments for the species are maintained by the International Union for Conservation of Nature.

The bird’s biology is tuned to a slow, long life. Wandering albatrosses are among the longest-lived birds, and individuals can survive for decades, spending most of that time on the wing.

Slow breeding and modern threats

The albatross pays for its long life with a slow reproductive rate. Pairs form long-term bonds and typically raise a single chick, and because the chick takes many months to fledge, a successful pair generally breeds only every other year. That means populations grow slowly and recover slowly from losses. The birds face significant threats from longline fishing, in which they are hooked and drowned after diving for bait, as well as from plastic pollution and changes to their ocean environment. Because they wander so widely, wandering albatrosses cross the waters of many nations and fisheries, complicating efforts to protect them.

An emblem of the open ocean

Few animals are as closely tied to the wind and the sea as the wandering albatross. Its record-setting wings and its mastery of dynamic soaring make it a symbol of the Southern Ocean and a subject of enduring scientific fascination. The same adaptations that let it roam the globe, however, expose it to hazards spread across that entire range, and its slow breeding leaves little margin for error. Protecting the bird means addressing threats scattered across some of the most remote waters on the planet, a challenge as vast as the distances the albatross itself covers.

Scientists have taken advantage of the bird’s extraordinary range to study the ocean itself. Researchers have fitted wandering albatrosses with lightweight tracking devices that record their journeys across the Southern Ocean, revealing foraging trips that span thousands of miles and mapping how the birds follow winds and productive waters. Some projects have even used the birds as mobile sensors, equipping them to detect illegal fishing vessels in remote seas that are difficult to patrol. Those studies have deepened understanding of both the albatross and the vast, storm-driven ecosystem it inhabits, while underscoring how a single species can serve as a window onto conditions across an entire ocean basin.

This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.

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