7 clips name both of them

439,113 views between them.

Blue whale outweighs Fin whale 3.8× — 149,000 kg against 38,800 kg.

Tale of the tape

Body mass

38,800 kg

🐾 Fin whale · COMBINE

149,000 kg

🐋 Blue whale · COMBINE

Body length

18 m

🐾 Fin whale · COMBINE

30 m

🐋 Blue whale · COMBINE

Maximum lifespan

116 yr

🐾 Fin whale · COMBINE

110 yr

🐋 Blue whale · COMBINE

Bars are sized against the larger of the two figures.

Animals caught on camera

Real footage of the animals on this site — hunting, fighting, and getting on with it.

Shared ancestry

The closest group they share is Cetacea (infraorder), home to 171 species.

They last shared an ancestor about 2.3 million years ago.

Estimates range from 1.9 to 3.5 million years; the figure above is the middle estimate.

About this estimate

Dates from Upham, Esselstyn & Jetz 2019, PLoS Biology 17:e3000494 (CC0).