Baleen Whales and Their Characteristics

Ranger Kendra from the Alaska Maritime National Wildlife Refuge presents a virtual science lesson on baleen whales, highlighting their characteristics, types, and significance during World Oceans Week. The lesson covers the size, migration, and longevity of these marine mammals, with a focus on the blue whale, the largest animal on the planet. A visual demonstration compares the sizes of humpback and blue whales. The lesson also explains the structure and function of baleen in feeding, emphasizing the whales' efficient filter-feeding method.

What is the significance of World Oceans Week?

• It celebrates the diversity of marine life.

• It marks the beginning of the whale migration season.

• It is a week dedicated to cleaning the oceans.

• It celebrates the oceans worldwide.

Which of the following is NOT a characteristic of baleen whales?

• They are warm-blooded.

• They lay eggs.

• They breathe air.

• They feed their young with milk.

Which species of baleen whale is known for its long pectoral fins that appear like white wings?

• Minke whale

• Bowhead whale

• Humpback whale

• Gray whale

How long can blue whales grow?

• 45 to 50 feet

• 60 to 70 feet

• 80 to 90 feet

• 90 to 100 feet

What is the average length of a humpback whale?

• 30 to 40 feet

• 80 to 90 feet

• 45 to 50 feet

• 60 to 70 feet

Which baleen whale is known for its long migrations of up to 10,000 miles annually?

• Blue whale

• Bowhead whale

• Minke whale

• Gray whale

How long can bowhead whales live?

• Up to 250 years

• Up to 200 years

• Up to 150 years

• Up to 100 years

What is baleen made of?

• Keratin

• Collagen

• Calcium

• Chitin

What is the primary function of baleen in whales?

• To communicate with other whales

• To filter food from water

• To protect their teeth

• To help them swim faster

Which whale species has baleen that is lighter in color and smaller in size?

• Humpback whale

• Gray whale

• Blue whale

• Minke whale