8 clips name both of them

6 million views between them.

Harpy eagle outweighs Brown-throated sloth 1.2× — 4.8 kg against 4 kg. Both figures are averages across males and females.

Tale of the tape

Body mass

4.8 kg

🦅 Harpy eagle · AVONET

3.96 kg

🦥 Brown-throated sloth · COMBINE

Body length

no figure yet

🦅 Harpy eagle

0.75 m

🦥 Brown-throated sloth · COMBINE

Maximum lifespan

17 yr

🦅 Harpy eagle · AnAge

27 yr

🦥 Brown-throated sloth · COMBINE · estimated

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.

Graphic clips stay hidden unless you pick Graphic.

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.