One clip names both of them

502 views between them.

Grey Heron outweighs Red Kite 1.3× — 1.4 kg against 1.1 kg. Both figures are averages across males and females.

Tale of the tape

Body mass

1.44 kg

🐦 Grey Heron · AVONET

1.07 kg

🦅 Red Kite · AVONET

Maximum lifespan

38 yr

🐦 Grey Heron · AnAge

38 yr

🦅 Red Kite · 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 Aves (class), home to 18,988 species.

They last shared an ancestor about 86 million years ago.

Estimates range from 77 to 97 million years; the figure above is the middle estimate.

About this estimate

Dates from Jetz, Thomas, Joy, Hartmann & Mooers 2012, Nature 491:444 (CC0).