I think the argument has been mostly settled in favor of the "lukewarm-blooded" theory, but it'd still be interesting to see if anyone has any dissenting opinions.

  • Dirt_Owl [comrade/them, they/them]
    ·
    3 years ago

    They lived an active lifestyle even during the night and in polar regions and developed insulating feathers all of which strongly suggests warm-bloodedness.

    I thought this debate ended decades ago.

    • KasDapital [any]
      ·
      3 years ago

      It ended as far as nobody is really questioning it that greatly. Even when new evidence shows up its basically in line with the idea they had warm blood.

    • Bluegrass_Buddhist [none/use name]
      ·
      3 years ago

      I was under the impression that warm-bloddedness in theropods was a relatively late development. That older ornithischian groups showed evidence of growth patterns closer to crocodilians than birds; evidence of lukewarm-bloodedness.

      But I never meant to suggest that our noble warm-blooded bird friends were cold, cold reptilians.