Birds and mammals both evolved from reptiles.
The answer to this question is fish as fishes were the first invertbrates to evolve.
The common ancestor of mammals and birds was a reptile.
they both have a four chambered heart
No. Birds and mammals are separate classifications.
1. Mammals 2. Reptile 3. Fish 4. Amphibians 5. Birds
Mostly mammals and sometimes birds.
Because bats are the only type of animal that have fur, and can fly.
No. Seagulls are not mammals - they are birds. The differences between birds and mammals are:Birds have feathers while mammals have fur, hair or skinBirds lay eggs whilst mammals (with the exception of the monotremes) bear live youngBirds do not feed their young on mothers' milk like all mammals do
Birds, mammals, fish, amphibians, reptiles, and all sorts of invertebrates.
no, rats are mammals and blue penguins are birds, they are totally unrelated
If you define 'type' as 'class', there are mammals, birds, amphibians and reptiles, and fish in Wyoming's wildlife.
Hoppers snakes primarily eat small mammals, birds, and reptiles.