/ee'pee awr"nis/, n.
an extinct genus of ratite birds, best known from the Pleistocene Epoch of Madagascar, having massive legs and rudimentary wings, and growing to a height of 8 ft. (2.4 m).
[ < NL (1850) < Gk aipý(s) steep, lofty, + órnis bird]

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Any of a group of giant flightless birds in the extinct genus Aepyornis, found as fossils in Pleistocene and post-Pleistocene deposits on Madagascar.

Most were massively constructed (some stood more than 10 ft, or 3 m, high) and had a small skull and a long slim neck. Remains of aepyornis and its eggs (as large as 3 ft, or 1 m, in circumference) are common. Its ancestry is uncertain.

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▪ fossil bird
also called  elephant bird,  

      extinct genus of giant flightless birds found as fossils in Pleistocene and post-Pleistocene deposits on the island of Madagascar. The remains of Aepyornis are abundant. The several known species were massively constructed, with conical beaks, short, thick legs, three-toed feet, and relatively small wings that were useless for flight. The birds were probably slow-moving inhabitants of forests. The skull in Aepyornis was of small size, and the neck was long and slim. Some forms of Aepyornis attained very large size; Aepyornis titan, or maximus, stood 3 m (10 feet) high and weighed about 450 kg (1,000 pounds). The fossilized remains of Aepyornis eggs are relatively common, both fragmented and intact. The eggs of the giant forms were apparently the largest eggs ever laid by any animal. One of the largest intact specimens is 89 cm (35 inches) in circumference around its long axis and probably had a capacity of about nine litres (more than two gallons). A few Aepyornis eggs contain the bones of embryonic young.

      Though Aepyornis occurred relatively late in the geologic record, it was a primitive member of the ratites, an evolutionary lineage that includes the ostrich, rhea, and emu. Aepyornis species survived on Madagascar well into the period of the island's human occupation. The birds became extinct sometime in the last 1,000 years, probably as a result of hunting and habitat loss due to deforestation. Aepyornis may have given rise to the Arabic legend of the roc, (roc) a gigantic bird.

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Universalium. 2010.

Look at other dictionaries:

  • AEpyornis — aepyornis, ||AEpyornis [AE] py*or nis, n. [Gr. ? high + ? bird.] A gigantic (to 9 ft.) extinct flightless bird, of which fossils were found in Madagascar. Syn: elephant bird [1913 Webster + WordNet 1.5] …   The Collaborative International Dictionary of English

  • aepyornis — [ē΄pē ôr′nis] n. [ModL < Gr aipys, high, steep + ornis, bird: see ORNITHO ] any of a genus (Aepyornis) of very large, extinct, flightless birds of Madagascar …   English World dictionary

  • Aepyornis — (Aepiornis) Geoffr., ausgestorbener Riesenvogel Madagaskars, von dem ein Ei dem Inhalt nach 150 Hühnereiern entsprach …   Kleines Konversations-Lexikon

  • aepyornis — ou épyornis n. m. ZOOL Oiseau géant, voisin de l autruche, qui vivait à Madagascar à l ère quaternaire …   Encyclopédie Universelle

  • AEpyornis — Æpyornis Æpyornis …   Wikipédia en Français

  • Aepyornis — Elefantenvögel † Aepyornis maximus Systematik Überklasse: Kiefermäuler (Gnathostomata) Reihe …   Deutsch Wikipedia

  • Aepyornis — Este artículo o sección necesita referencias que aparezcan en una publicación acreditada, como revistas especializadas, monografías, prensa diaria o páginas de Internet fidedignas. Puedes añadirlas así o avisar al autor pri …   Wikipedia Español

  • Aepyornis — Aepyọrnis   [zu griechisch aipýs »steil«, »hoch« und órnis »Vogel«] der, / , ausgestorbener, sehr großer, mit den Straußen verwandter Laufvogel auf Madagaskar. Aepyornis lebten wahrscheinlich noch im 17. Jahrhundert. Die Eier waren mit 8 l… …   Universal-Lexikon

  • aepyornis — [ˌi:pɪ ɔ:nɪs] noun an extinct giant flightless bird, found in Madagascar. [Genus Aepyornis.] Origin C19: mod. L., from Gk aipus high + ornis bird …   English new terms dictionary

  • aepyornis — ae•py•or•nis [[t]ˌi piˈɔr nɪs[/t]] n. pal orn an extinct, heavy legged, ratite bird of the genus Aepyornis, of the Pleistocene Epoch, of Madagascar • Etymology: < NL (1850) < Gk aipý(s) steep, lofty, +órnīs bird …   From formal English to slang

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