🐃
Domestic yak
Bos grunniens
Mammals
vs
🐄
Cow
Bos taurus
Mammals
One clip names both of them
4.3 million views between them.
Level on mass: Domestic yak 667 kg, Cow 750 kg.
To scale
Grid at 50 cm
50 cm
1 m
1.5 m
2 m
Silhouettes: PhyloPic — Zimices (CC BY), DFoidl (modified by T. Michael Keesey) (CC BY-SA); others CC0.
Domestic yak
1.20 m
at the shoulder
Human
1.70 m
full standing height
for scale
Cow
1.28 m
at the shoulder
Tale of the tape
Body mass
667 kg
🐃 Domestic yak · AnAge
750 kg
🐄 Cow · AnAge
Shoulder height
1.2 m
🐃 Domestic yak
1.28 m
🐄 Cow
Maximum lifespan
26 yr
🐃 Domestic yak · AnAge
20 yr
🐄 Cow · AnAge
Bars are sized against the larger of the two figures.
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Shared ancestry
The closest group they share is Bovinae (subfamily), home to 81 species.
They last shared an ancestor about 3.2 million years ago.
Estimates range from 2.0 to 4.0 million years; the figure above is the middle estimate.
About this estimate
Dates from Upham, Esselstyn & Jetz 2019, PLoS Biology 17:e3000494 (CC0).