Bottlenose dolphin vs Tractor: size comparison
Bottlenose dolphin: 2.8 m. Tractor: 4.5 m. Both silhouettes are drawn at the same scale.
Size ratio: ×1.6
Bottlenose dolphin
2.8 m
What is measured Length of an adult bottlenose dolphin
It sleeps one brain hemisphere at a time, so it keeps breathing.
Tractor
4.5 m
What is measured Length of a common farm tractor
The large rear wheels add grip without compacting the soil.
Source : Wikipedia — Tractor