How are birds and mammals different?

They are different that mammals are one animal and birds are another animal.

Also

• Birds have feathers
• Wings so they can fly
• They have beaks
• How big is there backbone
• How can they walk
• Birds lay eggs
• They also don't produce live baby's or have you know what. They fertilise them when the eggs are out

1. heterophils

2. Neutrophils

3. Thrombocytes

4. segments of thrombocytes e.i. platelets

5. nucleated mature

6. segmented basophils