the dance floor should be about 20x20 or 400 sq ft. the whole floor (including eating area) should be about 900 sq ft. I would say at least 10x10 feet. ask the coordinator at your venue how large the dance floor usually is and then you will know how many squares to rent.
Many harp seals are able to live up to 30 years in the wild. After 12 days the mothers abandon their babies. On the ice, pups call their mothers by bawling and mumble while playing with others. Adults growl and warble to warn off others.
1 American Black Bears can live up to 30 years in the wild but most do not reach 10, mostly because of encounters with humans. They also do very well in captivity with the average life span being up to 34 years.  Bears are shy creatures and they can be spooked or frightened.