11.   Two red-tailed hawks perform a courtship sky dance, doing aerial loops and on occasion locking talons.

12.   The DiCaprio courtship dance, covered breathlessly in the trade papers, has featured some missteps by DiCaprio and one of his suitors.

13.   The whale rubbed against the boat, and then started what seemed to be a courtship dance.

14.   They do courtship dances and mate for life.