a rattle snake can produce feathers
live birth not eggs are mothers who are mammals
It means that the animal will give birth to live young. Mammals are live-bearing. If an animal gives birth to eggs, it is not.
A mammal is an animal that gives birth to live Young.
Penguins do not have fur or give birth to live young or feed their young with milk, so they are not mammals. They have feathers and lay eggs so they are birds.
There is no such thing as a mammal bird. An animal is either a mammal or a bird, it cannot be both. Mammals have fur, give birth to live young and feed those young on milk. Birds have feathers and lay eggs. An impala is a type of deer, with fur and live young, so it's a mammal.
There is no such thing as a mammal bird. An animal is either a mammal or a bird, it cannot be both. Mammals have fur, give birth to live young and feed those young on milk. Birds have feathers and lay eggs. An impala is a type of deer, with fur and live young, so it's a mammal.
A bat is a mammal and does not lay eggs but gives birth to its young ones. A bat is covered with skin and hair, not feathers. The wings of a bat are actually folds of skin stretched over elongated fingers, homologous to humans/other mammalian limbs.
Animals that give birth to live young are said to be 'viviparous'. Animals that lay eggs (do not give birth to live young) are said to be 'oviparous'. Animals that lay eggs but keep them inside until they hatch are said to be 'Ovoviviparous'.
Birds lay eggs and has a skin covered in feathers.
An animal that is viviparous gives birth to live young. The opposite is oviparous, meaning that it lays eggs.
ostrich
Any animal that does not have fur because fleas can't lay their eggs in feathers can they?