How many bottom teeth does a bird have

The evidence for this is in the fossil records. Either way I think the evolutionary pressure favours a beak or teeth from birth if you are not a mammal. New insights from dinosaur incubation periods, Biology Lettersrsbl. Beaks are also capable of greater dexterity than a toothed jaw, see tool use in birds. I haven't read the paper, but the way they constructed their hypothesis makes it sensitive to selection bias, since they used age as a "test" as well - and indeed they cannot explain turtles.

How many bottom teeth does a bird have
How many bottom teeth does a bird have
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Why birds don't have teeth

They may have a crop and crop stones and handle feeding by regurgitation like many birds do, but with a toothless jaw you run into the danger of choking. If you look at what problems teeth present I think a toothless beak is a significant advantage over a toothed beak or toothed jaw even. However I don't think the hypothesis is bad, the simplest way to suppress early teeth is to lose them. So would it be reasonable to suppose that the Ichthyornis spending much time aloft over the sea was more likely to suffer as the tree avian? Ancient bird with beak and teeth

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How many bottom teeth does a bird have
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How many bottom teeth does a bird have

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A professor in Virginia Tech's College of Science wants to power planes and cars using energy stored in their exterior shells. Associated problems have not prevented the passing on of genetic material to offspring. How does a one-tonne dino hatch its eggs?

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