Christmas Island Red Crab Migration

The video explores the remarkable journey of the Christmas Island red crab, which migrates from the forest to the ocean to breed. Despite being adapted to land, the crabs' offspring require saltwater to develop. The journey is fraught with challenges, including predators and the need for precise timing. Millions of crabs undertake this annual migration, highlighting a fascinating natural phenomenon.

What triggers the Christmas Island red crab's journey to the ocean?

• High tides

• The full moon

• Monsoon rains

• The onset of winter

Why do Christmas Island red crabs need to reach the ocean?

• To find food

• To escape predators

• For their babies to develop in saltwater

• To hibernate

How do red crabs primarily move during their migration?

• By swimming

• By walking sideways

• By flying

• By jumping

What is a major threat to the red crabs during their journey?

• Humans

• Snakes

• Birds

• Robber crabs

What is a significant challenge for red crabs due to their poor eyesight?

• Finding food

• Avoiding predators

• Navigating obstacles

• Communicating with other crabs

What helps the red crabs during their migration on roads?

• Right of way

• Crab bridges

• Traffic lights

• Guiding ropes

Why is timing crucial for the red crab migration?

• To coincide with the breeding season

• To ensure food availability

• To avoid high tides

• To avoid predators

Approximately how many crabs participate in this annual migration?

• 100 million

• 1 million

• 10 million

• 70 million

What is the final destination of the red crab migration?

• The mountains

• The forest

• The ocean

• The desert