🐋 Blue whale vs Little brown bat 🦇
The blue whale is about 150 times as long as the little brown bat. The blue whale weighs about 11,000,000 times as much as the little brown bat.
| Row | 🐋 Blue whale | 🦇 Little brown bat |
|---|---|---|
| Top speed We don't have a checked number for the little brown bat yet. | 20 mph32 km/h1 | no checked number yet |
| Weight The blue whale weighs about 11,000,000 times as much as the little brown bat. | 165 tons150 tonnes1 | 0.5 oz14 g2 |
| Lives The blue whale usually lives about 15 times as long as the little brown bat. | 80 to 90 years80 to 90 years1 | 6.5 years6.5 years3 |
| Eats The blue whale eats tiny floating sea life; the little brown bat eats bugs. | krill, tiny shrimp-like animals, by the mouthful | mosquitoes, moths, beetles and other flying insects |
| Lives in They live in different kinds of places, so they would hardly ever meet. | every ocean | forests, towns and lakeshores across Canada and the United States |
Which one? Blue whale or little brown bat
🏁 Who would win the race?
We don't have a checked top speed for the little brown bat yet, so there is no race.
We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed.
Compare two more
Getting the animals ready…
📤 Share this pair
The link carries only the two animals’ names: peabody.kids/animals/compare/blue-whale-vs-little-brown-bat
Where these numbers come from
- NOAA Fisheries, checked 30 October 2026.
- National Park Service, Lassen Volcanic, checked 30 October 2026.
- National Park Service, Jewel Cave, checked 30 October 2026.