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...ared about 84 million years ago in the late Cretaceous Period. They are the closest living relatives of birds, the only known living dinosaurs, as the two groups are the only known survivors of the Ar...
...n digits on When Pigs Fly Return. From my modest research it seems that the digits of the dinos and the birds are not compared one on one but there were changes is the way they evolved in the embryo s...
...thesis and it sounded really interesting the attempt to really see structure in the bite force of Dino, birds and cats and the evolution from one to the other. It is such a huge period to investigate ...
...illion years ago. The decline of Macropustion and big Diprotodon in Australia, and decline of the awful bird, Phorohacos, which had a head as big as a horse's and length of 3/6m and big beak of 60cm, ...
In an attempt to contradict the theory of evolution, creationist claim to repute the Dino-Birds relations. The first piece of evidence against evolution is the old avian digit problem. Birds co
...earned in science class that dinosaurs we related to reptiles, but now I learn that they are related to birds Well the answer is that there is no contradiction if we think about the evolutionary l...
...illion years ago. The decline of Macropustion and big Diprotodon in Australia, and decline of the awful bird, Phorohacos, which had a head as big as a horse's and length of 3/6m and big beak of 60cm, ...
...ion of the dinosaurs. After they ate all dinosaurs, the cats became smaller and now eat only mice and birds and bigger ones like tigers eat some bigger animals....
A couple of years ago an article on this group said that birds evolved from reptiles. I thought they came from dinosaurs. Which is correct? At another point, it stated that all dinosaurs were bipeds
...ears almost all the dinosaur news has centered on the saurischian dinosaurs in particular the theropods/birds. So is there anything interesting/new happening with the ornithischian dinosaurs?...
...ection, the survival of the fittest. Thanks to evolution, he claimed, land animals developed from fish, birds from reptiles, and so forth. As a matter of fact, what Darwin observed in those isolated...
...n over-sized crop and absurdly long feathers on its feet. The crop can't be cleaned natur- ally and the bird finds walking difficult. Position canaries are bred to resemble the figures 1 and 7. Part...
Here is another new theory on evolution of bird flight. We start out with a feathered, bipedal animal which chases its prey on the ground by hopping like a kangroo using its long tail for balance. Ano
...es level. Please be specific. Which species are not preceded by similar forms? The speciation of birds and flowers observed in real time is strong evidence, but not for creationism....
...ing like 6 years ago, I have been aware of new fossils being discovered in China and Mongolia that have birdlike feathers and a theropod skeleton. What is the current thinking on the possible link b...
I think I still have my copy of the Adrian Desmond book, 'Hot-blooded
...omebody have some informations concerning a giant albatross called Gigantornis (Eocene) and some others birds : Pseudodontornis, Osteodontornis & Pelagornis ? Thanks a lot & Happy New Year....
...ss. These later raptors evolved even shorter arms. This, they aptly point out, demonstrates that volant birds did not evolve from terrestrial dromaeosaurs, but rather that the dromaeosaurs evolved fro...
I went by the Natural History Museum in London and took a look at the dinobirds exhibit. (Remember, I had previously seen some of these specimens in Washington DC.) Comments: 1. Sinosauropteryx
...t I'm interested in is fairly narrow, and has to do something covered by Hinchcliffe in The Beggings of Birds, (M.K. Hecht, J.H. Ostrom, G. Viohl, and P.Wellnhoffer (Eds.) Eichstätt: Freunde des Jura...
Just saw on the DML archives that at least the online version (for 'Naturwissenshaften') has appeared for the description of Epidendrosaurus. This is apparently the 'aye-aye' coelurosaur that has been
nope, just spearing the reader of the same unproven and illogical useless banter. Here something you forget to deal with... evolution does not pass the scientific method, the 'scientific method' is
...What we need to do now is look for the real Alvarezsaurus relatives among the dromies or related basal 'birds'. That is why I have preliminarily assigned Alvarezsaurus to Order Archaeopterygiformes. I...
..., rather than from an analysis of the ontogenetic progression of plumages grown within the follicles of birds.' When he does refer to an embryonic study, he says: 'During the development of the first ...
...stuck 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 independently...
Dear All, Part of the problem with bird origins is that Archaeopteryx and modern birds may have descended from different groups of 'dinosaurs'. It may sound preposterous to suggest that Archaeopteryx
Bird feathers are unique in many ways. Unlike reptilian scales, they do not cover the entire body evenly, but are arranged in 'definite rows, or pterylae, and between these feather tracts are apteria,
...paleontologists dig out these days seems to be several times bigger than today's 'equivalent' mammal or bird for example. What's more confusing, todays animals would probably not be able to move or li...
This is in regards to the thread on whether or not birds are saurischians or ornithischians. Sean Carroll brings up some ideas advanced by Robert T. Bakker, Peter Galton, and Gregory S. Paul on the in
...controversial decision to place Order Caenagnathiformes (= Oviraptorosauria) with the confuciusornithid birds. This result really makes my day, since some of the dinosaur workers were making fun of me...
Dear All, What is the EXACT definition of a synsacrum? And does Archaeopteryx have one according to this definition? How about oviraptorosaurs? I hate semantic debates, but I'm tired of seeing conflic
...ding for the letters, I want to learn something more about it, i.e.does it mean that some thinks flying birds arised from swimming ancestors? What are the references for this theory? Can You tell me s...
Four-winged dinosaur fuels debate over evolution of air-borne birds. 23 January 2003 HENRY GEE The discovery in China of a remarkable dinosaur with birdlike feathers on its hindlimbs and tail as w
...s (at critical, and often unstable, parts of the tree of life). One such area is the 'dromaeosaur-early bird' grouping (Archaeopterygiformes) into which I have now placed troodonts as well. Anyway, a ...
....          Pierre's suggestion is that we take a more cladistic approach, formally classifying birds as dinosaurs, and calling the old paraphyletic concept of dinosaurs by the informal phrase...
...life in peril 19:00 23 July 03 Pirate fishing ships in Antarctic waters are devastating fish and seabird populations, a conference on the Southern Ocean was told last week. And an expected increas...
...Code might never be implemented. Most biologists do not cladistically define taxa. Whether to say that 'birds ARE dinosaurs', or the more conventional 'birds are dinosaur descendants' is also controve...
I have heard that a giant bird in South America had grasping forlimbs like the bipedal dinosaurs. Is that true? Steffen
...ndering about the biomechanics involved. Without an allula, could Archy even land on a branch as modern birds do? Or would he have to hit the ground running? Also, could archy's foot be explained as, ...
... to such traditional words as 'dinosaur' or 'reptile' which does not include all descendants (including birds, of course). Yes, they are a mystery. They may even have arisen independently from the l...
Actually Caudipteryx's birdlike posture is the conclusion of a paper published in Nature. This paper was discussed by Evan Robinson in a post which appeared in this group last year.
Do you really believe that comic tale...Are dinosaurs the ancestors of the birds?You are joking...Becuse; The anatomy of birds is very different from that of dinosaurs, their supposed ancestors. Bird
I'm not a biologist, but a person interested in evolution and in birds. I have seen numerous drawings of biologist's impressions of what bird-like dinosaurs might have looked like and I think they all
...sibility of living to fall another day! Well, without going off in the tangent of trying to decide if birds are dinosaurs, dinosaurs are birds or birds just fell out of a flying saucer that happened...
...y rather than quantity. And let me make this PERFECTLY clear. My belief that maniraptors are just early birds is based on characters, and does NOT hinge on an unproven 'Birds Came First' Theory. Howev...
...s sitting on the beach today in Hampton Bays, NY sunning myself thinking about the similiar traits that birds and dinosaurs have. It is arguedthat dinosaurs evolved from either the birds or reptiles. ...
...Until this is done, I have little choice but to continue classifying caenagnathiforms as much closer to birds, and segnosauriforms as primitive forms closer to ornithomimiforms. Caenagnathiforms do ap...
...arry Martin apparently stated that there may be some evidence to support the 'Paulian' view of theropod-bird evolution. If Larry Martin is at long-last coming around, maybe Feduccia and 'Cal' will eve...
I keep reading that the debate is between 'ground up' and 'trees down'. Has 'water up' been ruled out? The big problem I have with 'ground up' and 'trees down' is that the ability to fly only helps
..., if it is genuine, Larry Martin will reconsider his position on the relationship between theropods and birds....
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