40 mammals: body mass and longest recorded lifespan

Name: 40 mammals: body mass and longest recorded lifespan
Creator: Unlabeled
License: CC-BY 3.0

A little brown bat weighing 10 grams has lived 34 years, a house mouse only 4. The bowhead whale holds the record at 211 years; for humans it is 122.5.

What does this axis measure?

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y ↑: Maximum lifespan (years)
x →: Adult body mass (kg)

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The data: 40 points

Adult body mass (kg)	Maximum lifespan (years)
0.01	34
0.0205	4
0.035	31
0.105	3.9
0.3	3.8
0.533	23.6
0.728	12
0.75	11.7
1.25	22.6
1.8	13
3	6.6
4.1317	21.3
6	21
8.235	40
9.3	22.1
26.625	20.6
40	27
44.9835	68
53.5	20.5
55	25
62.035	122.5
80	22.8
87	23
119.7	26.3
130	27
139.842	60.1
175	28
200	51.6
277.5	40
300	57
322	69
475	43.8
800	39.5
2,175	45
3,178	79.6
3,750	61.2
3,987.5	90
4,800	65
100,000	211
136,000	110

Source: AnAge: The Animal Ageing and Longevity Database (Human Ageing Genomic Resources)
Licence: CC-BY 3.0
Read: 2026-09-29
Drawn: 40 points as the puzzle showed them · scatter · log scale

Ran in puzzle #10 on October 6, 2026. Play it

40 mammals: body mass and longest recorded lifespan

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