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What Were Elephant Birds?

Mary McMahon
Mary McMahon
Mary McMahon
Mary McMahon

Elephant birds were massive birds found on the island of Madagascar through the 1500s, when they finally succumbed to human pressure and became extinct. These birds were the largest living birds on Earth at the time, and evidence suggests that they may have been among the largest birds to ever live; adults could measure more than 10 feet (three meters) tall, which must have been quite a sight.

Technically, the term “elephant bird” is used as an umbrella term to describe four species of bird in the family Aepyornithidae, with the Giant Elephant Bird being the largest. Two genera, Aepyornis and Mullerornis, have been classified in this family. Elephant birds are also known by the alternate name Vorompatra, a word taken from the Malagasy language.

Elephant birds were massive birds found on the island of Madagascar through the 1500s.
Elephant birds were massive birds found on the island of Madagascar through the 1500s.

Evidence about how elephant birds looked and moved appears in the form of skeletons, fossils, drawings, and contemporary depictions. Elephant birds were, by all accounts, very stocky and muscular, and drawings seem to suggest that they looked like especially large chickens with very long necks. Their plumage appears to have been gray, while their beaks were adapted to eat a wide variety of tropical fruits and plants on their native island of Madagascar.

These flightless birds are classified as ratites, which means that they lack the keel, the part of the breast bone to which flight muscles could attach. Many ratites have achieved formidable sizes; ostriches, emus, and rheas are all ratites, for example, and many have also evolved on islands. Elephant birds are probably only distantly related to other ratites, as Madagascar separated from Africa so long ago that the birds most likely evolved on their own. Some people have suggested that elephant birds probably provided the inspiration for the fearsome rocs in the tales of Sinbad the Sailor.

As a result on their insular environment, elephant birds were woefully unprepared for European civilization, when it arrived. The birds were by all accounts rather slow and stupid, making them easy targets for traveling sailors, and while their large size inspired awe, it wasn't enough to protect the birds from being hunted to extinction. Several natural history collections have examples of elephant bird skeletons and fossilized eggs on display, and they are well worth seeing if you have a chance to visit.

Frequently Asked Questions

What were elephant birds and where did they live?

Elephant birds were a group of large, flightless birds that once lived on the island of Madagascar. They were part of the ratite family, which includes ostriches, emus, and kiwis. These colossal birds could grow up to 3 meters in height and weigh close to 500 kilograms, making them some of the largest birds to have ever existed. They thrived in the forests and open spaces of Madagascar until their extinction, which is believed to have occurred by the 17th century.

How big were elephant birds compared to other large birds?

Elephant birds were among the largest birds to have ever lived. They were significantly larger than other large birds such as the ostrich, which is the largest living bird today. An adult elephant bird could reach heights of up to 3 meters and weigh as much as 500 kilograms, dwarfing the ostrich, which stands at about 2.8 meters tall and weighs up to 156 kilograms. Their eggs were equally impressive, being the largest bird eggs ever recorded.

What did elephant birds eat?

Elephant birds were herbivores, feeding primarily on a variety of plant material. Their diet likely included leaves, seeds, and fruit, which they foraged from the forest floor. The structure of their beaks suggests that they could deal with tough vegetation. Despite their enormous size, there is no evidence to suggest that they were carnivorous or that they hunted smaller animals.

Why did elephant birds go extinct?

The exact reasons for the extinction of elephant birds remain somewhat unclear, but it is widely believed that human activity played a significant role. As humans settled in Madagascar, the elephant birds faced habitat destruction, hunting pressure, and possibly the impact of introduced species. These factors, combined with their slow breeding rates, likely led to their decline and eventual extinction by the 17th century.

Are there any close relatives of the elephant bird still alive today?

While there are no direct descendants of the elephant birds alive today, they do have distant relatives within the ratite group. This includes birds like ostriches, emus, rheas, cassowaries, and kiwis. These species share a common ancestor with elephant birds, but they evolved separately and exhibit significant differences in size, habitat, and behavior.

Have any elephant bird fossils or eggs been found?

Yes, numerous fossils and even intact eggs of elephant birds have been discovered, providing valuable insights into their size and structure. The eggs are particularly notable for their enormous size, with some measuring up to 34 centimeters in length and holding a volume equivalent to about 150 chicken eggs. These findings have been crucial for scientists to understand the biology and ecology of these magnificent birds.

Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllThingsNature researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

Learn more...
Mary McMahon
Mary McMahon

Ever since she began contributing to the site several years ago, Mary has embraced the exciting challenge of being a AllThingsNature researcher and writer. Mary has a liberal arts degree from Goddard College and spends her free time reading, cooking, and exploring the great outdoors.

Learn more...

Discussion Comments

sinefey

A ten foot tall chicken! I've read that they also were probably about 800lbs and eggs could be 3ft in circumference!!

Because they were easy to kill and must have provided a lot of meat, they would have been a perfect food source to replenish ship stores. Sad that they are gone, course it's sad that any species is gone, more so when it's directly because of humans.

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    • Elephant birds were massive birds found on the island of Madagascar through the 1500s.
      By: Ruslan Olinchuk
      Elephant birds were massive birds found on the island of Madagascar through the 1500s.