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| - The Protobirds are one of the most primitive birds of modern times. Many species of protobirds have evolved from the prehistoric Alexornis, Avisaurus, Longipteryx, Gobipteryx, Sinornis, and Liaoxiornis that survived extinction and remained unchanged. Their favorite food are small flying insects, to fish, to other small animals, depending on different species. There are more than 8,970 species of protobirds worldwide. They live everywhere in North America, South America, Europe, Asia, Africa, and Australia, except Antarctica (where it is too cold for protobirds to live in). Almost all species of protobirds can survive in all human settlements. They also have no fear of humans, unlike crows, sparrows, or other advanced birds.
- "Protobird" is an informal term that has been used by some paleontologists when discussing animals that, while technically classified as non-avian dinosaurs, possess many features normally associated with birds. All protobirds are extinct. Gregory S. Paul used the term "protobird" in a wider sense in 1988, to refer to the extremely bird-like non-avian dinosaurs (Maniraptora), including oviraptorosaurs, troodontids, and dromaeosaurids. Paul speculated that these forms were so bird-like they probably had feathers, an idea later proven by fossil evidence.
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| abstract
| - "Protobird" is an informal term that has been used by some paleontologists when discussing animals that, while technically classified as non-avian dinosaurs, possess many features normally associated with birds. All protobirds are extinct. Zhou and Farlow (2001), for example, used the term "protobird" for primitive members of the clade Avialae. In this sense, protobirds would include animals like Confuciusornis, Sapeornis, and the Enantiornithes. These animals were small, flying, feathered, and closely related to birds. The authors restricted the term "bird" to refer only to Aves, which they used to mean only modern ("crown group") birds. Gregory S. Paul used the term "protobird" in a wider sense in 1988, to refer to the extremely bird-like non-avian dinosaurs (Maniraptora), including oviraptorosaurs, troodontids, and dromaeosaurids. Paul speculated that these forms were so bird-like they probably had feathers, an idea later proven by fossil evidence. Image:Mantell's Iguanodon restoration.jpg This article is a . You can help My English Wiki by expanding it.
- The Protobirds are one of the most primitive birds of modern times. Many species of protobirds have evolved from the prehistoric Alexornis, Avisaurus, Longipteryx, Gobipteryx, Sinornis, and Liaoxiornis that survived extinction and remained unchanged. Their favorite food are small flying insects, to fish, to other small animals, depending on different species. There are more than 8,970 species of protobirds worldwide. They live everywhere in North America, South America, Europe, Asia, Africa, and Australia, except Antarctica (where it is too cold for protobirds to live in). Almost all species of protobirds can survive in all human settlements. They also have no fear of humans, unlike crows, sparrows, or other advanced birds. Example Species:
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