These lizards bleed green

Blood chemistry unknown in mammals or other reptiles still needs a good explanation

P. prehensicauda

NO DENTIST NEEDED  Green blood gives the mouth tissue and tongue its unusual but perfectly healthy color in Prasinohaema lizards (female P. prehensicauda shown). Some fish and insects have greenish blood but no known mammals or other reptiles do.  

Christopher C. Austin/LSU

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