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Pardon me for asking, but doesn't 'bloodedness' of reptiles v mammals
etc refer to the ability to maintain internal body temperature, and
has nothing to do with blood heat per se. ie mammals, birds etc
maintain a fairly constant body temperature regardless of ambient,
while a reptile's blood temperature rises and falls with ambient
temperatures - thus reptiles need a bit of a 'warm-up' in the morning,
after a cold night, before they get going. This is not likely to be a
big problem for Komodos because they live on an island near (or
astride) the equator, so there isn't likely to be a big range of
ambient temperatures and thus not much need for warming up.
I don't know, I'm just asking.
The Skeptic of Oz