5 clips name both of them

101 million views between them.

Greylag Goose outweighs Mallard 3.9× — 3.3 kg against 0.8 kg. Both figures are averages across males and females.

Tale of the tape

Body mass

0.84 kg

🦆 Mallard · AVONET

3.3 kg

🪿 Greylag Goose · AVONET

Maximum lifespan

29 yr

🦆 Mallard · AnAge

31 yr

🪿 Greylag Goose · 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 Anatidae (family), home to 280 species.

They last shared an ancestor about 17 million years ago.

Estimates range from 11 to 31 million years; the figure above is the middle estimate.

About this estimate

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