Question

Why running birds can’t fly but flying birds can?short answer

Answer 1

Answer: I hope this helps you out

Step-by-step explanation:

Running birds, such as ostriches and emus, have heavily-built bodies and relatively small wings that are not well-suited for flight. Flying birds, on the other hand, have evolved for efficient flight with lightweight bodies and large, aerodynamic wings.

Answer 2

running birds are heavy