Puffin

Puffins are distinctive seabirds belonging to the auk family, with an evolutionary history that traces back tens of millions of years. Today, four species inhabit the cold coastal regions of the Northern Hemisphere, where they are recognized for their colorful beaks and strong flying ability. Although puffins still occupy a wide range, many populations — especially Atlantic Puffins — have experienced significant declines in recent decades due to habitat loss, human activity, and changes in marine ecosystems.

Evolution

Scientific evidence hints at possible origins in the Pacific between 56 and 66 million years ago, during the Paleocene Era. According to fossil evidence, the tribe to which puffins belong, the Fraterculini, was already present in the region by the Middle Miocene, about 15 million years ago.

Once Prehistoric auks (puffins’ larger biological family) had spread to the Atlantic, both categories (i.e., those in the Pacific and the newly colonized Atlantic) developed apart from each other.

Classification

The Puffin is a small species of seabird closely related to other auk species, such as guillemots. Best known for their brightly colored, triangular beaks, Puffins are one of the most distinctive of all seabirds, and although they are not considered to be an endangered species, Puffins are extinct from many areas where they would have once been found in abundance. Puffins have disappeared from or become rare in many areas where they were once abundant, due to a combination of hunting, habitat loss, and environmental changes. Despite their penguin-like stance and appearance, Puffins can fly extremely well and have been known to reach speeds of more than 50mph for short periods of time.

There are four puffin species:

• The Atlantic puffin (Fratercula arctica): This species is the only kind to be found on the Atlantic. Countries it breeds in include Greenland, Iceland, Ireland, and Norway.
• The horned puffin (Fratercula corniculata): It is similar to the Atlantic puffin, although it has a tuft above each of its eyes. It can be found in Alaska, British Columbia, and Siberia.
• The tufted or crested puffin (Fratercula cirrhata):  A bold red bill and yellow tufts are this species’ distinguishing features. It can be found in Alaska, British Columbia, and Washington State.
• The rhinoceros auklet (Cerorhinca monocerata): It is named for the horn-like protuberance from its beak, which it sheds yearly, and is also noticeable for the white plumes above its eyes and behind its beak. It can be found in Alaska, California, and Japan.

Anatomy and Appearance

Puffins are small-sized birds that have thick black and white plumage that helps to keep them warm in the cold conditions of the northernmost, Northern Hemisphere. They have black necks, backs, and wings with white underparts and whitish feathers on the sides of the face. Their feet and legs are a dull yellow color during the colder winter months, changing to a bright orange during the breeding season. Puffins are birds with broad, flattened bills that are large and triangular in shape and well known for their brightly colored markings. Red runs down the entire length and across the tip, with the base being of a more greyish color with intervening yellow markings, and in the same way as their legs and feet. The bill of the Puffin is more brightly colored during the warmer breeding season, becoming duller as they shed for the colder winter months. Although both males and females are almost identical in appearance, males tend to be slightly larger in size than their female counterparts and can therefore be more easily identified when the two sexes are seen together.

Distribution and Habitat

Puffins are birds that are found inhabiting the sea and coastal regions of the Northern Hemisphere, most commonly in the Atlantic, Pacific, and in parts of the Arctic Circle. The exact location of the Puffin is largely dependent on the species, with the Atlantic Puffin inhabiting coastlines throughout the North Atlantic Ocean, from Denmark in the east to Canada in the west, and from northern Norway all the way down to the Canary Islands and Spain in the south, but not in the north Pacific. The Tufted Puffin and the Horned Puffin, however, are absent from the North Atlantic and instead can be found in large colonies in the northern Pacific Ocean from the west coast of Canada to Japan and possibly even Korea, although their status there is not known. Although puffins still occupy a wide range, populations have declined in many regions, and puffins are now absent from much of their former range. They continue to face threats from human activity, habitat loss, and environmental disasters such as oil spills.

Behaviour and Lifestyle

Like other species of auk (and indeed numerous other seabirds), Puffins are highly sociable animals that are found on grassy clifftops in vast colonies that can contain as many as two million individuals. However, it is not just on land that they are known to stick together, as when they are feeding out at sea, Puffins are known to form “rafts” to ensure that they are better protected from their numerous predators due to the technique of safety in numbers. As well as being fast and efficient in the air, Puffins are also incredibly adept and agile swimmers that are known to dive to depths of up to 60 meters for as long as two minutes at a time (although the average dive usually only lasts for around 20 seconds), to maximize their chances of catching plenty of fish both for their themselves and for their young. During the winter months, Puffins spend most of their time hunting out at sea, sometimes many miles from land, before returning to the cliffs during the warmer months to breed, making it fairly difficult for scientists to fully understand the status of the species.

Reproduction and Life Cycles

Puffins have an annual breeding season that lasts throughout the warmer summer months from April until mid-late August, which they spend in large colonies on the soft, grassy clifftops. By using their beaks like a shovel and their webbed feet with sharp claws to excavate the unwanted soil, they can dig burrows into the ground that can be more than a meter in depth and over a few meters long in order to keep their valuable egg or young safely hidden from predators such as gulls. Puffins mate for life, and the female Puffin lays a single white egg that is incubated by both parents until it hatches up to six weeks later in the burrow, covered in medium-brownish feathers. The chick is looked after and fed by both parents, who bring it fish back from the sea in their beaks until it becomes independent, leaving the nest at around two months old. Puffins can reproduce from between four and five years of age and can live for up to 20 years in the wild, although older adults are not unheard of, with some individuals reaching the age of thirty.

Diet and Prey

Despite the fact that Puffins are technically omnivorous animals, they have a solely carnivorous diet that is largely comprised of small fish and supplemented with animal plankton during the leaner winter months. Puffins primarily prey on sandeels, capelin, herring, and sprat, along with the occasional squid, mollusk, or crustacean, which they hunt for under the surface of the water during dives that average around 20 seconds at a time. Their uniquely shaped beaks are also perfectly designed for carrying fish, thanks to the layer of spines that are found on the upper part of the beak and on their tongue. By carefully catching small fish that are arranged from head to tail along the entire length of the bill, Puffins can continue fishing for more without losing any of the catch that they already have stored, commonly collecting up to 30 fish before returning to land to feed their hungry chick.

Predators and Threats

Even though Puffins are relatively small in size, they have fewer native land predators than expected because they nest high on the clifftops and in burrows that are more than 3 feet underground. However, they still have to look out for gulls, hawks, eagles, and foxes, which are the most common land predators of adult Puffins and their young. In areas that are closer to human habitation, Puffins are also preyed upon by domestic cats and dogs, with rats often targeting their valuable eggs that are hidden in the burrows underground. Out at sea, Puffins are preyed upon by large birds such as skuas and large gulls that compete for the same food that the Puffins are hunting. Major threats to puffins today include human activities such as coastal development, tourism, oil spills, and the introduction of non-native predators, as well as climate change and declining prey availability due to ocean warming. These factors have contributed to significant declines in puffin populations across much of their historical range.

Interesting Facts and Features

Puffins are excellent swimmers but also incredibly fast in the air, and are able to launch very quickly from land or the water when needed. Puffins are so fast that they can fly at speeds of up to 55mph (88km/h) for short periods of time, with their little wings beating as much as 300 to 400 times every minute. Puffins are often seen with rows of small fish lined up along the length of their brightly colored, triangular beaks, particularly during the breeding season when they are fishing to feed their young chicks. Visiting the breeding grounds up to 10km away often can be a tiring process for such a small bird, so they commonly collect as many fish as they can in one go. Although they are usually known to bring back between 4 and 30 small fish such as sand eels, one individual was recorded with a whopping 62 stuffed into its bill.

Relationship with Humans

Ever since humans have inhabited the most northerly regions of the world, they have hunted Puffins both for their meat and also for their eggs to provide people with an easy source of protein during the warmer summer months when the birds nest on land. With more and more inhabitants, populations began to drastically suffer, leading to the extinction of many Puffin colonies throughout the Northern Hemisphere. Humans have also played a significant role in disturbing their natural habitats in general, with increasing amounts of coastal development and over-tourism, which brings less space and more disturbances for these small birds to contend with. Another key issue has been the impact of fishing that has led to a severe decline in the Puffin’s natural prey species, and this, coupled with increased ocean activity and, more devastatingly, oil spills, has led to Puffins completely disappearing from many regions where they were once found in abundance.

Conservation Status and Life Today

As of 2026, the Atlantic Puffin is listed as Vulnerable by the IUCN due to significant population declines, while the Tufted and Horned Puffins remain classified as Least Concern. Although puffins still occupy a large range, their populations are decreasing, and they face ongoing threats, particularly from pollution and climate change. Oil spills from large tankers are one of the most dangerous pollutants to Puffins as they get easily stuck in the thick oil and become covered in it, and so are unable to fly or swim. In the 1800s and 1900s, the Puffin was commonly hunted for its meat and eggs, which led to a severe decline in the world’s Puffin population, even completely eliminating some Puffin colonies. In the 21st and late 20th century, however, the Puffin has enjoyed better protection, and conservation work is being carried out, particularly in North America, to help to save remaining Puffin populations.