music: 60's Chart Toppers: Name The Artist: I Found a Girl?

Questions

Golden ---------- are so rare that a biological reserve has been specifically created for them.?

---------- often sleep for up to fourteen hours a day.?

Gorillas often sleep for up to ---------- hours a day.?

Hippopotamuses do ---------- percent of their vocalization under water.?

If a frog's mouth is held open for too long the frog will---------- .?