One clip names both of them

362,201 views between them.

Harpy eagle outweighs Cat 1.2× — 4.8 kg against 3.9 kg. Both figures are averages across males and females.

Tale of the tape

Body mass

3.9 kg

🐈 Cat · AnAge

4.8 kg

🦅 Harpy eagle · AVONET

Shoulder height

0.26 m

🐈 Cat

no figure yet

🦅 Harpy eagle

Maximum lifespan

30 yr

🐈 Cat · AnAge

17 yr

🦅 Harpy eagle · AnAge

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 Tetrapoda (superclass), home to 51,389 species.

We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.