Simplify the following text for a Grade 7 native English-speaking person.
Original: Tinamids , however , do have a keeled sternum unlike the other palaeognaths , but like the other palaeognaths they also have a distinctive palate .
Simplified: Unlike the other palaeognaths , tinamids do have a keeled sternum . Like the other palaeognaths , they also have a distinctive palate ( thin bony plate at top of mouth ) .