useless trivia: What Word Means: A First Name - Charged With Heraldic Fur?

Questions

giant flying foxes that live in indonesia have wingspans of nearly ---------- feet?

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?