🐦
Black-headed Gull
Chroicocephalus ridibundus
Birds · Least concern
vs
🐦
Mute Swan
Cygnus olor
Birds · Least concern
One clip names both of them
9,812 views between them.
Mute Swan outweighs Black-headed Gull 35× — 10.7 kg against 0.3 kg. Both figures are averages across males and females.
Tale of the tape
Body mass
0.31 kg
🐦 Black-headed Gull · AnAge
11 kg
🐦 Mute Swan · AVONET
Maximum lifespan
33 yr
🐦 Black-headed Gull · AnAge
40 yr
🐦 Mute Swan · 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.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.