mammal · sea-animal · wild-animalAnimal field guideReviewed profile
Blue Whale
Balaenoptera musculus
Blue whales are the largest animals known to have lived, yet they feed mainly on tiny krill.
Image credit & license
Photograph by D-Stanley. CC BY 2.0 (opens in a new tab).
View the original Wikimedia Commons file (opens in a new tab) · Scaled for web display
Specimen notes
Where it lives and what it eats
- Habitat
- Open oceans from polar to tropical waters
- Diet
- Mostly krill
- Geographic range
- Oceans worldwide
- Scientific name
- Balaenoptera musculus
Review trail
Fact sources
The supporting references stay beside the record for verification and deeper study.

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