useless trivia: What Word Means: To Hiss Or Whistle?

Questions

The kinkajou's tail is twice as long as its body. Every night, it wraps itself up in its tail and uses it as a ----------?

The blue whale is maintained by its blubber and can go up to half a year without ----------?

One peculiar behavior of dachshunds is that they often roll around in odiferous things when they encounter them. This odd habit has been attributed to the dog's hunting instinct. Doing this is the dachshund's attempt to "lose its scent" so that its potential prey cannot ----------?

---------- of South and Central America and the Caribbean lay their eggs in February and March.?

---------- crumble leaves in their mouths to make a type of sponge to sop up water from the hollows in trees when they can't reach the water with their lips.?