Caribou Winter Behavior and Adaptations

Caribou are known for their long-distance migrations across North America, spending their lives on the move. In winter, they search for food during the short daylight hours, primarily feeding on reindeer moss. The females retain their antlers to protect their food sources. Caribou have unique adaptations like fur-covered muzzles and arterial bypasses to survive harsh conditions. As days lengthen, they begin their great migration towards the tundra.

What is the primary activity of Caribou during the short winter days?

• Hunting

• Migrating

• Building shelters

• Searching for food

Which group mainly constitutes the winter herd of Caribou?

• Only males

• Only females

• Males and calves

• Females and calves

What is the main winter diet of Caribou?

• Fish

• Reindeer Moss

• Berries

• Grass

Why do female Caribou keep their antlers throughout the winter?

• For decoration

• To protect their food sources

• To attract mates

• To fight off predators

What unique feature helps Caribou protect against frostbite?

• Long tail

• Completely furred muzzle

• Thick skin

• Extra fat layer

What triggers the Caribou's herding instinct?

• Lengthening days

• Snowfall

• Shortening days

• Temperature drop

Where do Caribou head to during the Great Migration?

• Rivers

• Open Tundra

• Mountains

• Forests