Bananas for Scale
Blue Whale

Photo by Todd Cravens on Unsplash

Blue Whale

The largest animal ever to have lived on Earth/Marine Life

The blue whale (Balaenoptera musculus) is the largest animal known to have ever existed, reaching lengths of nearly 30 meters and masses of 150 metric tons. Their hearts are the size of a small car, and their tongues alone weigh as much as an elephant.

Measurements

Body length29.9 m
149Cucumber lengths
130Wine glass heights
24.1 millionthsCalifornia lengths
Body mass150,000 kg
483,871Sneakers
27,778Unabridged dictionaries
Heart rate1 tenths Hz
2 tenthsDripping faucets
2.5 thousandthsPopcorn pops

At the surface; drops to ~2 bpm during dives

Tongue mass2,700 kg
18,621Baseballs
270 billionPollen grains
2.57Small cars
Maximum dive depth500 m
9.2 tenthsOne World Trade Centers
1 millionTardigrade body lengths
289Yoga mat lengths
Daily food intake3,600 kg
1.64Rhinoceroses
3.6 hundredthsLoaded freight cars
1.33Blue whale tongues

Mostly krill

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