Birds, on the other hand, don’t have teeth, are generally small, and are covered in feathers (I know that you know that lots of old school dinosaurs had feathers too, but whatever). Living birds are literally dinosaurs by definition. Today there are at least 11,000 bird species. For example, recent work has shown behavioral similarities between birds and dinosaurs. And dinosaurs are reptiles. 0 0 … Birds are literally a type of dinosaur (there is nothing distinctive about them to set them apart - just as bats are mammals, birds are dinosaurs). This doesn't sound right to me. Most scientist now believe that the later dinosaurs had downy feathers. Amanda J. Answer Save. Dinosaurs, for the most part, are things that were really big, were mostly scaly, had fantastic teeth, and are extinct.
Birds are the only lineage of dinosaurs that survived after an asteroid smashed into the Earth 66 million years ago, causing a mass extinction. dinosaurs,birds,bird origins,BAND,Birds Are Not Dinosaurs,Feduccia,evolution,ornithology,Mesozoic,Maniraptora,Coelurosauria,Theropoda,maniraptorans,coelurosaurs,theropods “A bird didn’t just evolve from a T. rex overnight, but rather the classic features of birds evolved one by one; first bipedal locomotion, then feathers, then a wishbone, then more complex feathers that look like quill-pen feathers, then wings,” Brusatte said.
When nearly every dinosaur went extinct 66 million years ago, the only ones that survived were those that had shrunk—that is, the birds.
The notion that theropod dinosaurs evolved into birds has almost certainly become one of the most widely accepted “facts” of evolution.
Birds did not evolve from dinosaurs: what creationists have been pointing out for years is now buttressed by new research. Dinosaurs and birds both thrived in the Cretaceous period between 145 and 65 million years ago. This all hinges on the assumed a priori that a class (if class is the accurate taxonomy) can never evolve into a different class of animal but only a subset of. They found flying reptiles with long tails and sharp teeth that had imprint of feathers. So, why do we say that birds are dinosaurs? (Yes, birds are reptiles, too). Second, their relatively large skull capacity suggests that they were more intelligent than the other reptiles. So with cladistics, the "dinosaur clade" includes the common ancestor of the group that gave rise to all the classic dinosaurs as well as birds which are descended from theropod dinosaurs.
You sometimes hear people saying that birds are related to dinosaurs, but that’s really not true – birds aren’t related to dinosaurs… they are dinosaurs! Birds did not descend from dinosaurs, scientists claim after studying how our feathered friends move and breathe.
Ask your average paleontologist who is familiar with the phylogeny of vertebrates and they will probably tell you that yes, birds (avians) are dinosaurs.Using proper terminology, birds are avian dinosaurs; other dinosaurs are non-avian dinosaurs, and (strange as it may sound) birds are technically considered reptiles. Why is it okay to say that 'all birds are evolved from dinosaurs, and dinosaurs were evolved from reptiles therefore birds are a subset of reptiles'? Birds, on the other hand, don’t have teeth, are generally small, and are covered in feathers (I know that you know that lots of old school dinosaurs had feathers too, but whatever). Now Canadian scientists think they've figured out why. why are birds in the dinosaur family? It just means that there's one organism population somewhere in history that is the ancestor of all dinosaurs and birds and nothing else. The idea that birds are dinosaurs could be thought of as a trivial fact of evolution … birds are really no more dinosaurs than whales are bovids, functionally, even though they actually are, phylogenetially … but that would be missing a greater and very interesting point. 6 Answers. Are Birds Really Dinosaurs? However, the data still don’t explain why a number of enantiornithines and other prehistoric birds that didn’t live in trees also went extinct.
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