it depends how the piranha big
Many animals eat piranhas, caimans, wading birds, and jaguars, and giant otters.
No.
they eat fish i think
Groups of adult piranhas eat geese and herons.
Yes, they do eat birds like ducks and wading birds.
Yes
they eat birds and stuff if you have a cut watch out
Egrets, storks, etc.
Piranhas eat fish, frogs, toads, turtles, young anacondas, young caimans, and birds.
Yes
Yes.
There are many African wading birds. It could be an Ibis or an Egret.