Q 01/05

What do sea otters wrap themselves in to keep from drifting out to sea while they rest and eat?

A) Kelp

B) Fishing nets

C) Driftwood

D) Each other's tails

Answer · why

A) Kelp

They also rest together in single-sex groups called rafts, and a 2007 video of two otters holding paws drew over 22 million views.

Q 02/05

Which animal is known for being unable to physically vomit?

A) Cats

B) Horses

C) Dogs

D) Pigs

Answer · why

B) Horses

Because nothing can come back up, digestive trouble quickly turns into colic, a leading cause of death in the species.

Q 03/05

What is a group of flamingos called?

A) A flock

B) A parade

C) A flamboyance

D) A colony

Answer · why

C) A flamboyance

The alternative, less showy term is a 'stand'.

Q 04/05

How do wombats mark their territory in an unusual way?

A) They produce cube-shaped droppings

B) They scratch trees in patterns

C) They spray fluorescent urine

D) They leave trails of saliva

Answer · why

A) They produce cube-shaped droppings

The physics of how the cubes form won Patricia Yang and David Hu the 2019 Ig Nobel Prize for Physics.

Q 05/05

Which marine creature has three hearts?

A) Jellyfish

B) Starfish

C) Octopus

D) Sea cucumber

Answer · why

C) Octopus

One main heart circulates blood around the body while two gill hearts pump it through the gills.