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Quite interesting. I wonder about the evolution of teeth to beak, which also bring to mind the recent fossil discovery of the turtle with shell development only on the bottom, and also with teeth instead of beak: http://www.reuters.com/article/scienceNews/idUS… Now, if someone would only get busy on that time machine so we could check on these things in more detail…
Quite interesting. I wonder about the evolution of teeth to beak, which also bring to mind the recent fossil discovery of the turtle with shell development only on the bottom, and also with teeth instead of beak:
http://www.reuters.com/article/scienceNews/idUS…
Now, if someone would only get busy on that time machine so we could check on these things in more detail…
Arms to wings, too, J. Spence (though the special cases became big, ungainly, flightless, and defenseless)…fur (hair) to feathers…
Why the avian branch off the mammalian main line, who knows. Trial and success, not always error, I suppose.