Simplify the following text for a Grade 11 native English-speaking person.
Original: Piciformes are order of birds contain about 67 living genera with a little over 400 species , of which the Picidae ( woodpeckers and relatives ) make up about half .
Simplified: The Piciformes contain about 67 living genera with a little over 400 species , of which the Picidae ( woodpeckers and relatives ) make up about half .