What is more stronger animal to beat an eagle?

a flying lion or called as eagle eater.it is as big as a young elephant. it is not really a lion, you know?that's just its name.it is like a bat with a tail that is like a lion's tail. althrough the flying lion is black, its tail is orange. it eats eagles. 10 eagles an hour. so many eagles andother animals and even humans are afraid of it.