[header] How to care for a baby wild rabbit [title] Make sure that the rabbits actually need to be taken care of. [step] A mother rabbit can be very secretive; she leaves the nest during the day to keep predators away. She has not abandoned her babies. 
If you find a nest of bunnies leave them alone. If it is obvious that they need help (the mother is dead on the road, for instance), you will need to take them to a vet or wildlife rehabilitator.