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Re: HELP DESPERATELY NEEDED
> There is at least one ectothermic mammal, the naked mole rat, and two
>scaled mammals, the armadillo and rat (my ref. was published in 1987, so
>this may be out of date. As of 1987, though, the scales were considered
>"reptilian", not conglomerated hairs like the scales of pangolins).
Both monotremes (the Echidnas and the Platypus), while not ectothermic, do
not have fully developed mammalian endothermy either. Their metabolism is
something of a half-half situation.
Dr Paul M.A. Willis
Consulting Vertebrate Palaeontologist
Quinkana Pty Ltd