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Human acoustic tools can distinguish individual whales by analyzing micro-characteristics of their vocalizations, and the whales can probably do the same. This does not prove that the whales deliberately use some vocalizations to signal individual identity in the manner of the signature whistles that bottlenose dolphins use as individual labels.
A starving dolphin has a robust melon even if the rest of its body is emaciated. [1] The lipids in the melon tend to be of lower molecular weight and more saturated than the blubber . The melons of the Delphinidae (dolphins) and Physeteroidea (sperm whales) have a significant amount of wax ester, whereas those of the Phocoenidae (porpoises) and ...
For example, a blue whale can communicate with another blue whale using sound over thousands of miles across the sea. [6] While terrestrial animals often have a uniform method of producing and detecting sounds, aquatic animals have a range of mechanisms to produce and detect both vocal and non-vocal sounds. [7]
Baleen whales - a group that includes the blue whale, the largest animal in Earth's history - use a larynx, or voice box, anatomically modified to enable underwater vocalization, researchers said ...
Whale watchers got quite a show recently when one playful dolphin decided to show off for them in Monterey Bay, California. ABC News shared a clip on Sunday, March 24th of the whale watchers ...
Humpback whale breach sequence. A breach or a lunge is a leap out of the water, also known as cresting. The distinction between the two is fairly arbitrary: cetacean researcher Hal Whitehead defines a breach as any leap in which at least 40% of the animal's body clears the water, and a lunge as a leap with less than 40% clearance. [2]
That can affect the sonar-like echolocation marine mammals such as dolphins use to communicate and hunt. Climate change “must be considered to adequately manage species,” the study states.
Ocean Giants is a 2011 British nature documentary series narrated by actor Stephen Fry. [1] The series is a production of the BBC Natural History Unit, and premiered on 14 August 2011. The documentaries focus on the life of dolphins and whales. [2] The series includes film crew members who worked on the series Planet Earth. [3]