The basics
How big is a blue whale?
Blue whales can stretch about 100 feet — longer than a basketball court — and weigh as much as many elephants combined.
Ocean · Blue Whale
Blue Whale: Biggest Animal on Earth
Length, heart size, krill dinners, and deep ocean travel.
Ocean / Blue Whale
Blue Whale — what curious minds want to know
The largest animal ever — tongue-heavy, krill-powered, ocean-spanning.
~100 ft
Length
Krill
Main food
Car-sized
Heart (approx.)
All oceans
Range
Food
What do they eat?
Mostly tiny krill — gulped in enormous mouthfuls, then filtered through baleen plates.
Blue Whale FAQ
No — their throat is built for small prey like krill, not big animals.
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