What is referred to by 'a baby belch 4'?

Based on the clue 'a baboons diet can include rodents birds even faw...', what is the answer? Based on the clue 'a babushka is one of these tied around the head', what is the answer? Based on the clue 'a baby mama doc not papa doc combo', what is the answer? Based on the clue 'a baby bear or a novice reporter', what is the answer? Based on the clue 'a baby born before the 37th week of pregnancy abo...', what is the answer? Based on the clue 'a baby buggy careens down steps in a famous scene ...', what is the answer? Based on the clue 'a baby catcher is another term for this type of do...', what is the answer? What is referred to by 'a baby doctor'?