whale
Washington (AFP) - Des baleines grises du Pacifique ont vu leur taille diminuer de 13% en deux décennies, selon une récente étude qui offre de nouvelles indications sur les effets du changement climatique sur les mammifères marins. Cette diminution de taille pourrait avoir de grandes répercussions sur la capacité de ces baleines à se reproduire et à survivre, et pourrait également toucher leur système d'alimentation, préviennent les scientifiques. Dans cette étude publiée dans la revue Global Change Biology, des chercheurs se sont concentrés sur un petit groupe d'environ 200 baleines grises du...
AFP (Français)
Washington (AFP) - Pacific coast gray whales have shrunk in length an astonishing 13 percent since 2000, adding to evidence that climate change and other human activities are making marine mammals smaller, a study says. Their diminished size could have big impacts on survival rates and reproductive success -- and trigger ripple effects throughout their entire food webs. For the paper, researchers focused on the Pacific Coast Feeding Group (PCFG) -- around 200 whales that are part of the wider Eastern North Pacific (ENP) population of around 14,500. Considered "ecosystem sentinels," they stay c...
AFP
Scientists studying the sperm whales that live around the Caribbean island of Dominica have described the basic elements of how they might be talking to each other for the first time. They hope the research could one day help better protect them. Like many whales and dolphins, sperm whales are highly social mammals and communicate by squeezing air through their respiratory systems to make strings of rapid clicks that can sound like an extremely loud zipper underwater. The clicks are also used as a form of echolocation to help them track their prey. Scientists have been trying for decades to un...
Euronews (English)
Up to 160 long-finned pilot whales were stranded on the western Australian coast on Thursday. At least 26 casualties were reported before wildlife authorities could begin a rescue attempt, officials said. The stranded whales were from four pods spread across 500 metres of shore, according to the Department of Biodiversity, Conservation and Attractions. An additional 20 whales were in a pod about 1.5 kilometres offshore and 110 whales formed a pod closer to the beach. “Our team is making every effort to safely respond and keep volunteers and staff safe, while also acting in the best interests o...
Euronews (English)
Scientists don’t know what causes whales to strand, although it appears their location systems can be confused by gently sloping, sandy beaches.
Euronews (English)
Washington (AFP) - They're one of the most endangered mammals in the world, and a species you may never have even heard of: North Atlantic right whales. American conservationists are hoping a proposed federal rule change to expand speed restrictions for vessels along the US East Coast will save the marine giants, which number fewer than 350, from extinction. Lined up against the proposal are conservative lawmakers who have introduced several bills in Congress that seek to stop President Joe Biden's administration from enacting the amendments. "Sadly, most of the right whales I've seen have be...
AFP
Washington (AFP) - An overwhelming majority of large boats off the US East Coast are speeding through slow-zones designed to protect critically endangered North Atlantic right whales, of which only around 340 remain. That's according to a new analysis of vessel tracking data published Thursday by the nonprofit Oceana, which called for stronger safeguards and greater enforcement to save the species from extinction. "Boats are speeding and whales are dying -- it's that simple," said Oceana's campaign director Gib Brogan. Boat strikes are one of the two leading causes of death for the whale speci...
AFP
Washington (AFP) - A whale skull fossil estimated to be some 12 million years old has been found on a beach in the Chesapeake Bay in Maryland, according to a local museum. The discovery was made in October by a Pennsylvania man, Cody Goddard, who was searching for fossils and shark's teeth, the Calvert Marine Museum said in a statement. "It felt like we had won the World Cup of Paleontology!" said Stephen Godfrey, curator of paleontology at the museum in the eastern US state. "We don't yet know what species of Miocene baleen whale this is," he said. "That we will only know once it has been pre...
AFP
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