A remote part of the Indian Ocean is a hotspot for whales and dolphins, prompting researchers to call for a new protected area.
Plants & Animals
Aug 22, 2023
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A new tool uses facial recognition technology to identify individual whales and dolphins in the wild across 24 species. The research was led by University of Hawaiʻi at Mānoa Hawaiʻi Institute of Marine Biology (HIMB) ...
Plants & Animals
Jul 19, 2023
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Researchers have finally settled a decades-long dispute about the evolutionary origins of the pygmy right whale.
Plants & Animals
Jul 10, 2023
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Research shows Amazon river dolphins are under threat from fishing and proposed new dams and dredging. Scientists have used satellite tags to track eight dolphins in the Peruvian Amazon, to discover where they went in relation ...
Plants & Animals
Jul 3, 2023
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Using unoccupied aerial system (UAS), or drone, photographs, researchers from the University of Hawai'i (UH) at Mānoa School of Ocean and Earth Science and Technology (SOEST) are now able to determine the age-structure of ...
Plants & Animals
Jun 29, 2023
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You know instantly when someone is speaking to an infant or small child. It turns out that dolphin mothers also use a kind of high-pitched baby talk.
Plants & Animals
Jun 26, 2023
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University of Queensland researchers have found bottlenose dolphins in Moreton Bay off Brisbane could be teaching other dolphins to "beg" for food from recreational fishers, with the behavior creating short and long-term ...
Plants & Animals
Jun 23, 2023
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Scientists are learning more about the diets and groupings of little-studied Hector's dolphins at the top of the South Island.
Plants & Animals
May 26, 2023
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Dolphins and porpoises are welcome features of Australia's coastline however little is known about the predation risk they face from sharks in their habitat.
Plants & Animals
May 25, 2023
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Orcas living off Europe's Iberian coast recently struck and sunk a yacht in the Strait of Gibraltar. Scientists suspect that this is the third vessel this subpopulation of killer whales has capsized since May 2020, when a ...
Ecology
May 24, 2023
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Dolphins are marine mammals that are closely related to whales and porpoises. There are almost forty species of dolphin in seventeen genera. They vary in size from 1.2 m (4 ft) and 40 kg (90 lb) (Maui's Dolphin), up to 9.5 m (30 ft) and 10 tonnes (9.8 LT; 11 ST) (the Orca or Killer Whale). They are found worldwide, mostly in the shallower seas of the continental shelves, and are carnivores, mostly eating fish and squid. The family Delphinidae is the largest in the Cetacea, and relatively recent: dolphins evolved about ten million years ago, during the Miocene. Dolphins are considered to be amongst the most intelligent of animals and their often friendly appearance and seemingly playful attitude have made them popular in human culture.
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