Birds need to consume lots and lots of food so it will have enough energy to fly. If it didn't consume enough food it would be too tired to fly
It's just the Circle of Life... they need to live, so they need food.
Not with cat food, I don't think. Baby birds need pre-chewed food. They can't eat crunchy chunks of food like most animals can. So no, probably not.
because they need food so if a fish jumps out of the water it can catch it
In the story 'The Sky is Gray, James and his family must kill the small birds so that they will have food. His mother makes him kill the beautiful birds because the world is hard and the family needs the food.
Birds store food so they can eat it inwinter
Animals need food so they can live and when its winter as you know there aren't a lot of food around so that's why they eat so much in summer so they can have there tummies full in winter or they will die.
You will need to be much more specific. I could tell you any time between a week and a year, because there are so many different types of birds.
some birds like the Kakapo and the parrot do but not all birds do so go away!
They need it as they are predators (minute ones if that) of insect so use their monocular vision to scope out food. Also they need it to search for predators or any other threats so they can make a quick escape.
Competing.
So they can have there food ( fish)
There is no order for the legendary birds, so no.