One clip names both of them

52,885 views between them.

Brown-throated sloth outweighs Scarlet macaw 3.9× — 4 kg against 1 kg.

Tale of the tape

Body mass

1.01 kg

🦜 Scarlet macaw · AVONET

3.96 kg

🦥 Brown-throated sloth · COMBINE

Body length

no figure yet

🦜 Scarlet macaw

0.75 m

🦥 Brown-throated sloth · COMBINE

Maximum lifespan

33 yr

🦜 Scarlet macaw · 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.

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.