🐦
Black-capped Chickadee
Poecile atricapillus
Birds · Least concern
vs
🐦
Brown-headed Cowbird
Molothrus ater
Birds · Least concern
One clip names both of them
2,058 views between them.
Brown-headed Cowbird outweighs Black-capped Chickadee 3.7× — 0 kg against 0 kg.
Tale of the tape
Body mass
0.01 kg
🐦 Black-capped Chickadee · AVONET
0.04 kg
🐦 Brown-headed Cowbird · AVONET
Maximum lifespan
12 yr
🐦 Black-capped Chickadee · AnAge
17 yr
🐦 Brown-headed Cowbird · 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 Passeriformes (order), home to 11,215 species.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.