| Fast Swim |
Dolphin sustains a rapid speed, swimming in one direction, for more than 3 s, producing a wake at the surface (while not chasing another individual). |
| Fluke-In Dive |
Dolphin surfaces and then dives down under the water with the fluke remaining below the surface of the water. |
| Fluke-Out Dive |
Dolphin surfaces and then dives down under the water raising its fluke up in the air and out of the water. |
| Group Social Ball |
Two or more dolphins swim around each other, often mouthing and chasing each other. This is often associated with sexual play. It is extremely difficult to identify the individual behaviors that each animal is doing. |
| Interact with Conspecific |
Dolphin orients toward and mutually interacts with one or more conspecifics for more than 3 s. |
| Interact with Object |
Dolphin interacts with an object which can include holding, carrying, balancing, or pushing the object; interactions will only be counted once if within 3 s of the previous interaction. |
| Jump/Breach |
A large aerial locomotion in which all of the dolphin’s body comes completely out of the water. |
| Mount |
One dolphin’s genital area touches another’s genital area. |
| Porpoise |
Small bows usually performed several times in a row characterized by small forward motion leaps out of the water. The dolphin’s head re-enter the water as the tail is exiting the water. |
| Spy Hop |
Dolphin moves in such a way that the upper part of the body rises above the water in a vertical position. |
| Tactile/Rub |
Dolphin contacts or actively rubs another dolphin a manner that is not considered sexual contact. |
| Ventral Swim |
Dolphin swims inverted with ventral side pointing towards the surface for more than 3 s. |
