The common bottlenose dolphin is the largest species of the beaked dolphins. Humpbacks are a friendly species that interact with other cetaceans such as bottlenose dolphins. Also common are minke and bottlenose whales. These common dolphins remained at SeaWorld with the bottlenose dolphin exhibit. Several species of sharks and bottlenose dolphins have been observed in the surrounding waters. Mating behavior of bottlenose dolphin is polygamous. Observations of northern bottlenose whales in the Norwegian Sea are rare. The bay also has a resident population of common bottlenose dolphins. Bottlenose dolphins perform in many aquaria, generating controversy. Visitors to the park can interact with a range of marine animals including bottlenose dolphins. At least some wild bottlenose dolphins use tools. Clearwater is the home of Clearwater Marine Aquarium, where bottlenose dolphins Winter and Hope live. The fiord is home to one of the southernmost populations of bottlenose dolphins. One type of feeding behavior seen in bottlenose dolphins is mud ring feeding. Various species are hunted, such as the bottlenose and dusky dolphin.