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Because they don't have fur/hair, don't give birth to live offspring, aren't warm-blooded and don't consume their mother's milk when they are young.
What else can I help you with?
Are lizards or geckos mammals?
No, they are reptiles, not mammals.
Are lizards marsupials?
Lizards are not marsupials, which are a sub-group of mammals. Lizards are reptiles.
Are skinks mammals?
No , lizards are not mammals . Lizards are reptiles .They are characterized by dry scaly skin ,while mammals have hairy skin .
Are armadillo lizards becoming endangerd?
Armadillos are mammals - not lizards !
Are blue tongued lizards mammals?
They are reptiles.
Mammals and lizards or birds are the two groups of vertebrates that are endotherms?
Mammals and birds are endothermic.
Are wall lizards mammals?
no all are not, some of these are mamal
Do lizards have mammary glands?
No. Turtles lay eggs - which hatch independently from the mother.
Do lizards get periods, and if so, how do they differ from those of other animals?
No, lizards do not have periods like mammals do. Instead, female lizards typically have reproductive cycles that involve ovulation and mating, but they do not have a menstrual cycle like humans or other mammals.
What does the tiger rattlesnake eat?
mice, small mammals & lizards
What did the buite raptor eat?
The buiteraptor normally are mammals and lizards :)
Are chameleons vertebrate?
Yes. Chameleons are lizards, lizards are reptiles, and all reptiles are vertebrates. Vertebrates include reptiles, mammals, birds, fish and amphibians.
