Fast swimming |
A dolphin swims at a higher speed than normal, indicated by powerful fluke strokes, riddles on its skin, or waves on the water’s surface. |
[24] |
Jumping |
A dolphin performs an aerial behavior by leaping out of the water and diving headfirst. |
[60] |
Agonistic interaction |
Any agonistic or aggressive behavioral events, e.g., biting, (tail) slapping, ramming, or hitting (with rostrum or fluke), between two or more individuals. |
[57,69] |
Socio-sexual interaction |
All behaviors between at least two dolphins with any form of body contact in the genital area, including goosing, petting, or rubbing of the genital area. |
[57,68] |
Regurgitation |
A dolphin regurgitates already swallowed fish at will. Regurgitation is indicated by the dolphin ejecting a plume of water and fish debris out of its mouth. Sometimes, whole fish are regurgitated and swallowed again. |
[70,71] |