🐦
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.
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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.