Grade 4-Animal Communication Signals

Fiddler crabs raise their big claw to

• Attract a mate

• Defend their territory

• Signal danger to predators

• Establish dominance among rivals

Which animal uses jumping straight up as a warning signal?

• Prairie dog

• Kangaroo

• Rabbit

• Squirrel

Fiddler crabs raise their big claw to signal another crab.

• The female receives the message

• The male receives the message

• The predator is warned

• The territory is marked

Lions roar to

• Attract mates

• Warn other lions or scare off predators/intruders

• Mark their territory

• Communicate with other animals

Ravens often make loud calls. What can this signal mean?

• Other birds- Stay away!

• A warning to other ravens

• A call for food

• A mating call

A prairie dog jumps straight up to warn of a predator. Who is the receiver?

• Other prairie dogs

• Predators

• Humans

• Birds

Who is the receiver when a person claps to get attention in class?

• Teacher

• Classmates

• Principal

• Janitor

Sunbitterns spread their wings to:

• Attract mates

• Scare predators

• Show off their colors

• Signal other birds

Goliath bird-eating tarantulas drum their legs to

• Attract a mate

• Warn a predator

• Signal other tarantulas

• Establish territory

Ring-tailed lemurs make scent marks. What is their main purpose?

• To attract mates

• To show territory

• To communicate with other species

• To mark food sources