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birds
Assuming that all birds living today are descended from bird species that survived the KT extinction, what fossil evidence has been found that shows a continuity across the boundary for those species? ...
are modern birds more related to archaeopteryx or to the first reptiles?
Gerrit Hanenberg alerted me to the following paper:
Cooper, A. and Penny, D. 1997. Mass Survival of Birds Across the Cretaceous-Tertiary Boundery: Molecular Evidence. Science 275 (21 February): ...
We've had a number of posts (and debate) about birds, proto-birds and the like recently.
I'd like to change the emphasis a bit and am asking if anyone can point me to good sources of ...
... trange that such neotenous features as the palaeognathous palate does not occur in other flightless birds that are clearly not related to any ratites.
White ...
Related to my earlier question about grasses...
The passeriform group, aka the 'perching birds' or 'songbirds', is the largest group of birds today, right? It comfortably ...
Things move so fast in this area of great interest that a scant three years after the publication of the first edition, we have an update.
I was amazed that Padian and Chiappe failed to cite the ...
Extinction in itself is, throughout geologic history, the norm rather than the exception. The fact that many species perished in the aftermath of the many environmental calamities that occurred ...
Random scientist inc,
How can dinosaurs and birds be closely related and primates and humans be closely related without dinosaurs and humans being related? The theory of evolution doesn't work ...
Can present day birds be correctly referred as Dinosaurs? Or just be surviving ancestors of the Dinosaurs?
Referring to the relation between birds and dinosaurs: If we get a new extinction and the only mammals who survive is the bats, who will in 65 million years believe, that the bats is related to blue ...
... fossil shows that theropods had a diaphragm like mammals and crocodilians, not air sacs like modern birds. This is yet another nail in the coffin for the birds are theropods hypothesis. See the ...
Does anybody have any idea how many fossil birds have been found to-date? I think there are 70 genera so far but the number of individual specimens elludes me.
Thanks
... k out my neck back in February, and placed the oviraptorosaurian dinosaurs by the confuciusornithid birds. Although Maryanska et al.'s paper appeared shortly after that (and they had ...
[quote]www.bbc.co.uk said :
Spanish palaeontologists have uncovered a new dinosaur with what may be the earliest evidence of feather follicles.
The researchers, whose findings are published in ...
[quote]blogs.smithsonianmag.com said:
Poet Emily Dickinson once wrote, “Hope is the thing with feathers.” To fossil bird expert Alan Feduccia, however, anything with feathers is a bird and ...
We call them snowbirds or winter Texans. When I am at the coast fishing in the spring the town is full of them. I have to tell you they mostly are a bunch of rude old grumpy people when here. I hope ...
veryarmot.rex. wrote:
since dinosaurs are alive and dinosaurs are crocodilian t.rex. closest living reltive gharial have 30-50 eggs so t.rex. probly have the same
A couple of things.
The closest ...
... ientists have identified what may be the
First off, nothing from the cretaceous is a link between birds and anything. Bambiraptor is a bird, nothing else. The simple fact is, that only two tiny ...
I have recently became interested in the relationship between dinosaurs and birds. From what I see most people consider birds to be dinosaurs. Does that mean that most people consider birds to be ...
I had a robin out here in 2008 that was giving the news to the other birds. All the other birds were quiet while it talked. I haven't a clue what it was saying but it did that almost every ...
Kaitlyn,
Humans and dinosaurs have no relation. Humans are related to ancient hominids, which originated in Europe around 135,000 years ago. Dinosaurs evolved from some of the same reptiles that ...
Cormorants are very long necked birds that pursuit their prey underwater. I have seen shags swim after fish and twist their neck in the last moment to grab a prey. These birds are very fast swimmers ...
im doing a project in science about ornithomimus dinosaurs, they are big birds that look like reptiles, their name means "bird mimic" which means they were birds but didnt look like it. The ...
... If you need anything at all, feel free to PM me!!
Second, I believe that, compared to modern birds, the ...
Well, by animals I think you mean mammals, since all living things are animals or plants in a general sense of the word. But I think you're right, fish a reptiles have amazing strength, or say ...
Well said Random Scientist,even the Oviraptor from Mongolia lived at the same time as the Velociraptor,was carnivorous was it not,it was suppose to be an egg stealer at one time. When a fossil ...
heh how do you account for the DEPENDANCIES of cuckoos to subsitute whole different species of baby birds to be raised by un-knowing parent birds???
if parents can assume DIFFERENT SPECIES are ...
... these have survived, or didn't any small dinosaurs exist?
And what about the ancestor of the birds? If no dinosaurs survived the impact, I conclude that the birds already had ...
hmmmm wrote:
Dinosaurs are birds?Nope, it's the other way around. Birds are a group of theropod dinosaurs ; )
It's quite well supported by now. Birds have:
-typical theropod feet (except ...
... presenting his view. He calls these fossils 'interesting' but did not claim that they are birds. Only Dr. Martin did. Martin thinks that these are birds that just resemble dinosaurs. But ...
Guess because of the same reason why there are birds or mammals in different enviroments.Taking advantage of a area they are in,or of a area there's possible to survive.Some cold-blooded animals ...
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