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Bookmark or Share- How Ratites Ended Up on the No-Fly List | AudubonHow Ratites Ended Up on the No-Fly List. An extensive DNA analysis offers new insight into the evolution of flightless birds. From shy, chicken-sized kiwis to 200-pound, lion-kicking ostriches, the ratites—flightless birds—are a diverse bunch. Unlike their airborne relatives, ratites have primitive, reptilian palates and flat, unkeeled ...
- Ratites (Struthioniformes) Information | Earth LifeA ratites is any of a diverse group of large, flightless birds of Gondwanan origin, most of them now extinct. Unlike other flightless birds, the ratites have no keel on their sternum – hence their name which comes from the Latin (ratis) for raft. Without this to anchor their wing muscles they could not fly even if they were to develop ...
- Ratite - WikipediaA ratite ( / ˈrætaɪt /) is any of a group of mostly flightless birds within the infraclass Palaeognathae. [3] . They are mostly large, long-necked, and long-legged, the exception being the kiwi, which is also the only nocturnal extant ratite. Our understanding of relationships within the paleognath clade has been in flux.
- Ratite | Flightless, Ostriches, Emus | BritannicaRatite, any bird whose sternum (breastbone) is smooth, or raftlike, because it lacks a keel to which flight muscles could be anchored. All species of ratites are thus unable to fly. They are a peculiar and puzzling group, with anatomic anomalies. The group includes some of the largest birds of all.
- ADW: Struthioniformes: INFORMATIONOrder Struthioniformes includes all of the flightless birds, also known as ratites due to their raft-like sternum that lacks a keel. The order is comprised of five extant families and one extinct family. The five families are Aptergyidae (kiwis), Casuariidae (cassowaries), Dromaiidae (emus), Rheidae ...
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