They are used to fly.
Eagles have well-developed wings that are strong enough to enable flight. A secondary function for nesting eagles is to shield the eggs or hatchlings from the elements.
A sparrow has a multipurpose short hard and round beak. This is used for eating, digging insects, and cracking seeds
It is for tearing flesh & attacking/defending itself .....................
An eagle's beak is used to tear lumps of flesh off the eagle's prey.
so they can eat
To catch and kill prey with.
No!
peacocks have short, hard and pointed beaks
they need long beaks to eat fish from the water
to choke
The peacocks eat wheat, grubs, green grass, cracked corn, insects and grains anything that could fit into its beak, so be sure that garbage and such as paper is not left in their habitat.
because
They use it to help them eat food.
Peacocks (peafowl) get their food mostly on the ground like small snakes, lizards, frogs, bugs, flower petals, bananas, seeds, grains, and left out food by humans.
To look good, and attract female peacocks.
Feathers. A peacock has a very showy tail that he uses to entice a peahen into mating.
A sparrow has a multipurpose short hard and round beak. This is used for eating, digging insects, and cracking seeds
Peacocks have multiple collective nouns; a muster of peacocks, a pride of peacocks, and an ostentation of peacocks.