Largest brain-to-body-mass ratio in mammals
- 記録保持者
- Shrews
- 内容
- 10 percentage
- 場所
- Not Applicable
- 達成日
- 19 February 2013
The mammal with the largest brain-to-body-mass ratio is the shrew. These tiny insectivores have brains that constitute 10% of their total body weight.