At night, field crickets ‘sing’ to attract females by rubbing their wings together. For field crickets living on the Hawaiian island of Kauai, what is one risk associated with singing?

• Deafening themselves
• Being eaten from the inside out
• Damaging their wings

Instead of running away when a predator is spotted, some deer and gazelle stay where they are and jump up and down on the spot. Why?

• All of the above
• It signals to the predator: ‘I’ve seen you now, so you won’t take me by surprise!’
• It signals to the predator:  ‘I’m so physically fit that I can afford to waste time jumping up and down. If you attacked I would still have enough energy to get away!’
• It allows them to see above tall grass and keep a better eye on the predator

Which other organism do Hawaiian bobtail squid rely on for safety while foraging at night?

• Bacteria
• Worms
• Crabs

The majority of frog species rely on vocal communication, croaking and chirping to deter rivals and attract mates. The Panamanian golden frog, however, is partially deaf. How does this species communicate?

• They blink
• They splash their feet in the water
• They wave their front legs around in the air

How do elephantfish - which live in the dark, murky waters of the Congo River - search for mates?

• By generating electric fields
• By emitting low, deep sounds
• They don’t - they just wait until they happen to bump into each other

Honeybees feed on nectar and pollen, which they collect from flowers. How does a bee that’s found a patch of flowers tell other bees in the hive where this patch is?

• It dances
• It points with its legs
• It buzzes

There is a special protein which makes male mice attractive to female mice. It’s named after a famous dashing hero from romantic literature, but which one?

• Mr. Rochester (Jane Eyre)
• Heathcliff (Wuthering Heights)
• Mr. Darcy (Pride & Prejudice)

In which bird species do females prefer males that sound like other bird species?

• Satin bowerbird
• Kakapo
• Bananaquit

When fighting over food or mates, how do crayfish communicate their strength to rivals?

• They snap their claws together
• They urinate at each other
• They gurgle

How has increased tourism in certain areas caused problems for the communication systems of killer whales?

• Chemical pollution of the water has made it more difficult for killer whales to see one another
• Chemical pollution of the water has disrupted killer whales’ ability to smell one another
• Noise from boats prevents killer whales from hearing one another’s calls