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Often when cetaceans breach, their eyes do not clear the water, which suggests it might not be used for looking but instead for hearing. For example, gray whales will often spy-hop in order to hear better when they are near the line where waves begin to break in the ocean as this marks out their migration route. [29]
An important finding is that whales, in a process called the Lombard effect, adjust their song to compensate for background noise pollution. [48] Blue whales stop producing foraging D calls once a mid-frequency sonar is activated, even though the sonar frequency range (1–8 kHz) far exceeds their sound production range (25–100 Hz). [2]
For example, if an alerted bird gives a warning call to a predator and causes the predator to give up the hunt, the bird is using the sound as a signal to communicate its awareness to the predator. On the other hand, if a rat forages in the leaves and makes a sound that attracts a predator, the sound itself is a cue and the interaction is not ...
The mystery as to why a beluga whale appeared off the coast of Norway wearing a harness may finally have been solved. The tame white whale, which locals named Hvaldimir, made headlines five years ...
Whales sing loud enough that their songs travel through the ocean, but knowing the mechanics behind that has been a mystery. Scientists now think they have an idea, and it's something not seen in ...
Whales can communicate through sounds ranging from clicks, whistles and pulsed calls. These loveable creatures are highly social and travel in groups called 'pods'. Killer whales have no predators ...
[17] [18] He noted that the whales were spread along 38.2 kilometres of coast and were separated by a mean distance of 3.5 km (sd=2.8, n=11). This spread in time and location was atypical, as usually whales mass strand at the same place and at the same time. At the time that Dr. Frantzis wrote the article he was unaware of several important ...
The killer whales regularly demonstrate their competence by chasing seals up shelving gravel beaches, up to the edge of the water. The pursuing whales are occasionally partially thrust out of the sea by a combination of their own impetus and retreating water, and have to wait for the next wave to re-float them and carry them back to sea. [12]