Lunar appearance

1987/12/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

Why are the tail of many fish, the tail of some marine mammals and the wings of some birds growing?

Aesthetics can be the reason. But really nature, even aesthetically, does not look at aesthetics, but at functionality. According to studies at the California University of Davis, this form helps a lot to the displacement of animals in their natural environment.

Analyzing the turbulence generated by movement, researchers have discovered the aerodynamic advantages of this configuration. For example, the bonito has a tail of this type and it is known that nothing at high speed. On the other hand, birds with croissant wings have better results than those with elliptics.