Which performer is associated with 'bird'?

What is referred to by 'bird sitting location'? Based on the clue 'bird thatll do in a pinch 5', what is the answer? Based on the clue 'bird thats the bushmans clock in australia', what is the answer? Based on the clue 'bird to which shelley wrote hail to thee blithe sp...', what is the answer? Based on the clue 'birdland a jazz palace of the 50s was named for th...', what is the answer? Based on the clue 'birds bees perform this transfer of gametes from ...', what is the answer? Based on the clue 'birds brain whos known as the father of comedy', what is the answer? Based on the clue 'birds evolved from dinosaurs during this geologic ...', what is the answer?