How To Care For Mockingbird Eggs. Include a small bowl in the shoebox for the baby mockingbird. The nestlings are very young and are covered in down.
Basically high-protein dry cat food soaked in water until soft mashed up with some high-protein wet cat food mixed with some diced hard-boiled egg whites and come crushed calcium tablets - add a few drops of water in necessary until its a thick paste. Create a cage out of a shoebox. The Killdeer for instance prefers to nest on gravel.
Once the eggs hatch both parents take care of the young.
The nestlings are very young and are covered in down. Poke two small holes at the top of the bag above the zipper part far left and right. Replace the egg. While they are becoming fledglings the male Northern Mockingbird teaches them how to fly while the female constructs another nest for their next brood.