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1
12 random squares
What is the primary diet of blue whales?
Krill
Plankton
Seaweed
Small fish
31% got this right
Blue whales primarily feed on krill, consuming up to 4 tons a day.
2
How long can blue whales live?
60 —
80
— 90
years
57% got this right
With an average lifespan of 80 years, Blue Whales are the oldest living marine mammals known to inhabit the sea.
3
48 random squares
How much can a blue whale weigh?
200,000 kg
2,000 kg
20,000 kg
200 kg
42% got this right
A blue whale can weigh up to 200,000 kg, making it the heaviest animal on Earth.
4
What is the maximum speed a blue whale can reach over short bursts?
30 —
30
— 50
km/h
1% got this right
Blue whales can reach speeds of up to 30 km/h when they are threatened.
5
Zoom reveal
How many kilograms of krill can a blue whale eat in a day?
2500 —
3600
— 4500
kg
9% got this right
A blue whale can consume up to 20 million krill in a single day, which is approximately 3600 kilograms.
6
Which organ of a blue whale is the size of a car? Click on the organ to answer.
24% got this right
The heart of a blue whale is roughly the size of a small car.
7
Blue whales are not found in which ocean? Drag and pull the map to navigate, then pin-point your answer.
2% got this right
Blue whales are found in all the world's oceans except the Arctic.
8
How long is a blue whale calf at birth?
6 meters
2 meters
4 meters
8 meters
30% got this right
A blue whale calf is about 6 meters long at birth.
9
48 sequential squares
How do blue whales communicate?
By making loud vocal sounds
By changing colors
By jumping out of the water
By using echolocation
69% got this right
Blue whales communicate by making loud vocal sounds that can travel long distances underwater.
10
Iris reveal
Does a blue whale’s tongue weigh as much as an adult elephant?
Yes
No
66% got this right
A blue whale's tongue can weigh as much as an adult elephant, around 2.7 metric tons.
