Misc: in pro football, how long is half time??

Questions

Male cockatoos can be taught to speak, but females can only chirp and ----------?

Every hour, nearly 12,500 puppies are born in the ----------?

Bald eagles are not bald. The top of their head is covered with slicked-down white feathers; from a distance, they appear ----------?

Male ---------- lose the hair on their heads in the same manner men do.?

Expressing recognition rather than love, Utah ---------- exchange "kisses." By the touching of incisor teeth, they quickly confirm the identity of group members.?