Some of them do. Typically speaking larger birds will pick a turtle up and fly high into the sky where they then drop them to the ground where their shell breaks. This allows for the bird to get past the defense of the turtle's hard shell.
Propabbly not but they can eat lady birds
pigeons
quail because sometimes large turtles eat smal quails. this rarely happens, but large turtles will eat small birds.
Tiny bugs, worms, and little birds
Birds cats sharks crocks some stuff
they eat tapirs, birds, sloths, turtles, rodents, reptiles, monkeys, frogs and deer.
yes they can, here are a few examples of what they eat: turtles, birds, pigs, and caimans.
Piranhas eat fish, frogs, toads, turtles, young anacondas, young caimans, and birds.
The arapaima eats fish, frogs, turtles, and birds.
Large birds can eat them for if you are looking for how they die, but for living they have shells
bull sharks eat dogs and turtles and rays crabs and sea birds . other sharks dolphins.
Snakes, birds, turtles, racoons, badgers, skunks, other bigger bullfrogs.