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Orcas (or killer whales) are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, but such attacks are less common than those by captive orcas. [ 1 ]
The whales make groans, pops and belches typically at frequencies around 500 Hz. The purpose of the sounds is not known but may be a form of communication between whales within the same group. Northern right whales responded to sounds similar to police sirens—sounds of much higher frequency than their own. On hearing the sounds, they moved ...
Despite beluga whales not being threatened overall, sub-populations are being listed as critically endangered and are facing increased mortality from human actions. For example, even though commercial hunting is now banned due to the Marine Mammal Protection Act, beluga whales are still being hunted to preserve the livelihood of native Alaskan ...
Researchers have warned that human impact on the ocean is putting increasing pressure on dolphins and whales, and their ecosystems. The UK whale and dolphin conservation charity Orca recorded ...
Download as PDF; Printable version; ... Scientists have suggested this indicates a strong desire on behalf of the whales to communicate with humans, as whales have a ...
[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 false killer is one of three toothed whales, the other two being the pilot whales, identified as having a sizable lifespan after menopause, which occurs at age 45 to 55. [ 19 ] As a toothed whale , a false killer can echolocate using its melon organ in the forehead to create sound, which it uses to navigate and find prey.
The U.S. Supreme Court issued several major decisions over the course of 2024.. Its rulings include those that have pushed back on the Biden administration's attempted change of Title IX ...