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.

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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.