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A signature whistle is a learned, individually distinctive whistle type in a bottlenose dolphin's (Tursiops truncatus) acoustic repertoire that gives the identity of the whistle owner. [1] The whistles are identified and studied in the wild or in captivity by researchers using hydrophones . [ 2 ]
A female bottlenose dolphin performing with her trainer. They are considered one of the most intelligent cetaceans. Cetacean intelligence is the overall intelligence and derived cognitive ability of aquatic mammals belonging in the infraorder Cetacea (cetaceans), including baleen whales, porpoises, and dolphins.
Marine mammal training refers to the training and caretaking of various marine mammals, including dolphins, orcas (killer whales), sea lions, and walruses. This discipline involves teaching these animals behaviors for purposes such as performing in shows, scientific research, military operations, or health and enrichment.
The signature whistle of a male bottlenose dolphin tends to be similar to that of his mother, while the signature whistle of a female bottlenose dolphin tends to be more identifying. [54] Bottlenose dolphins have a strong memory when it comes to these signature whistles, as they are able to relate to a signature whistle of an individual they ...
These included 2,291 whistles, 2,288 burst-pulses — a rapid series of clicks sometimes associated with aggression — 5,487 low-frequency tonal sounds and 767 percussive sounds.
In fiscal year 2007, the United States Navy spent $14 million on research on marine mammal training programs for object recovery and mine detection and had 75 trained dolphins. [ 15 ] In 2005, there were press reports that some U.S. military dolphins based on Lake Pontchartrain had escaped during the Hurricane Katrina flooding. [ 16 ]
The deepest unit on the team heading into training camp got watered down by injuries the past two weeks, but it appears reinforcements are coming to the Miami Dolphins receiver unit.
Signature whistles, which are in a higher frequency range than humans can hear, have an important role in facilitating mother–calf contact. [86] In the Sarasota Dolphin Research Program's library of recordings were 19 female common bottlenose dolphins producing signature whistles both with and without the presence of their calf. [86]