Based on the clue 'bird associated with aeneas williams mark mcgwire', what is the answer?

Based on the clue 'bipolar disorder is an illness commonly referred t...', what is the answer? Based on the clue 'bipolar disorder was once known as this type of de...', what is the answer? Based on the clue 'biratnagar is the second biggest city in this moun...', what is the answer? Which performer is associated with 'birchard'? Based on the clue 'bird belonging to a movie gladiator', what is the answer? What is referred to by 'bird bill'? What is associated with: bird brains know the fossils of this early bird were first found in solnhofen bavaria in the 1… Based on the clue 'bird name that completes the simile crazy as a', what is the answer?