- protobird
-
Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a proavian.
Wikipedia foundation.
Wikipedia foundation.
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… … Wikipedia
Longisquama — Taxobox name = Longisquama image width = 200px image caption = Illustration of Longisquama insignis fossil range = Early Triassic regnum = Animalia phylum = Chordata classis = Sauropsida subclassis = Diapsida unranked ordo = Avicephala? familia … Wikipedia
Precocial — In Biology, the term precocial refers to species in which the young are relatively mature and mobile from the moment of birth or hatching. The opposite developmental strategy is called altricial , where the young are born helpless. Extremely… … Wikipedia
proavian — noun Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a protobird … Wiktionary