yes
No. Although abertosaurus may have cared for its young it did not nurse them. Only mammals nurse their young.
Frogs and turtles do not nurse their young. Only mammals nurse their young. Frogs and Turtles are Amphibians.
Frogs do not. Only mammals
No, Only mammals do.
None do. Only mammals have them, to nurse their young. Mammals do include bats, which can fly.
Yes, they do nurse them. All mammals nurse their young. Guinea pigs are mammals. They will nurse them for about 6 weeks after birth.
Mammals have hair and nurse their young. That's what makes them mammals.
Sometimes.
Because they nurse their young.
Only mammals nurse their babies.
Mammals, are warm-blooded vertebrates that nurse their young and are covered with hair.
They nurse them and teach them how to survive on their own.