You’re at a lake and the ducks come swimming up near you. They must be hungry, and you have that crust of bread….DON’T DO IT!
Bread is bad for ducks because it fills them up but doesn’t give them any nutrition they need from plants. This is especially harmful for baby ducks. By replacing the nutrients they need for healthy growth and substance, bread can cause a permanent wing-deformity that makes baby birds unable to fly and adult birds sick and fat.
Read more in the Popular Science article Why you should never ever feed bread to a duck, then just enjoy the antics of the ducks on your next picnic and know you’re doing what’s best for them.