Characteristics that necessitated success of birds in essay form​

Evolution.

Explanation:

Evolution is the characteristics that allows the bird to be successful in this environment because with the passage of time the birds adopted themselves according to their environment. Birds are evolved from the dinosaurs which was unable to survive due to lack of adaptation to the new environment and less availability of food for themselves so that's why birds are successfully survive in the new environment.

feral cats are estimated to eat tens of millions of native animals each night in australia