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Antarcticavis
Antarcticavis was an ancient bird that lived in Antarctica during the time of the dinosaurs. It was about the size of a modern duck and probably hunted for food along the shores. This bird is one of the oldest known from the frozen continent.21
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Datos curiosos
Antarcticavis lived about 72 to 66 million years ago, during the Maastrichtian stage of the Late Cretaceous.3
Its name means 'Antarctic bird' because its fossils were found in Antarctica.1
Scientists are not sure exactly where Antarcticavis fits in the bird family tree. Some think it is close to modern birds, while others place it with water birds like loons and ducks.1
The only known fossil of Antarcticavis is a partial skeleton, including parts of the wings, legs, and backbone.1
Antarcticavis is the oldest bird ever described from Antarctica.2
A 2025 study found that Antarcticavis had bones similar to modern diving birds, like mergansers and gulls, suggesting it was a good swimmer.1
As preguntas máis frecuentes sobre Antarcticavis
?How big was Antarcticavis?
It was about the size of a modern duck.1
?Could Antarcticavis swim?
Yes, it was probably a good swimmer. A 2025 study found that its bones are similar to those of modern diving birds like mergansers and gulls.1
?What did Antarcticavis eat?
Scientists are not sure exactly what it ate, but it probably hunted for food along the shores of Antarctica.1
?Is Antarcticavis a dinosaur?
Yes, Antarcticavis is a dinosaur. All birds are members of the dinosaur group, specifically the theropod dinosaurs.1
Para expertos en dinos
- Nome científico
- Antarcticavis
- Bautizado por
- Cordes-Person et al. 20203
- Grupo
- Aves primitivas
- Familia / clado
- Ornithuromorpha3
- Clasificación
- Theropoda > Avialae3
- Idade das rochas
- de 72 a 66 millóns de anos (Maastrichtian)3
- Formacións rochosas
- Snow Hill Island3
- Países
- Antártida3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Antarcticavis was named in 2020 by Amanda Cordes-Person and colleagues. The fossils were found on Vega Island in Antarctica, at a site called Al's Bird Site.31
- Aínda en debate
- Scientists are still debating exactly where Antarcticavis belongs in the bird family tree. It might be a very early relative of modern birds, or it might be part of a group that includes loons and grebes.1
De onde veñen os datos
- Antarcticavis (en.wikipedia.org)
- An enigmatic bird from the lower Maastrichtian of Vega Island, Antarctica (ri.conicet.gov.ar)
- Antarcticavis in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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