Group formation in animals is a widespread phenomenon driven by food acquisition, reproduction, and defense. Life in the ocean is characteristically aggregated into horizontally extensive layers as a ...

Risso’s dolphins have been observed to perform a rapid sprint coupled with a spin when starting a dive, even though this highly energetic movement costs considerably more energy than normal, much ...

Risso’s dolphins dive rapidly and efficiently to catch prey hundreds of metres deep by twisting through the water at high speeds. The round-faced dolphins exhale the air in their lungs then dive on a ...