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This presupposes that dinosaurs are cold-blooded which apparently is a matter of dispute: http://www.livescience.com/51162-dinosaurs-warm-blooded-growth-rates.h

• dragonwriter 11y ago
  No, in fact, the whole point is discussion of the evolution of warm-bloodedness among dinosaurs. Are you just guessing what the content might be based on the headline and reacting based on that guess?
  • mchahn 11y ago
    > the whole point is discussion of the evolution of warm-bloodedness among dinosaurs. And the question of whether dinosaurs were really cold-blooded is obviously a part of that discussion.
• devishard 11y ago
  No, the article explicitly states that it is unknown which species were endothermic.