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Whales

All articles tagged with #whales

Whale Talk: Listening to Ocean Chatter to Save Them and Redefine Language
science1 day ago

Whale Talk: Listening to Ocean Chatter to Save Them and Redefine Language

Scientists use hydrophones and AI-driven analysis to decode belugas’ infant babble and self-identifying calls, map dialects across humpbacks, orcas and sperm whales, and link vocal patterns to behavior and vulnerability. The work highlights how noise pollution, shipping and warming oceans affect communication and conservation, and it explores using acoustic data to inform targeted protections—while debates continue about whether whales truly have language and the ethics of attempts to converse with them.

via The Guardian|
#acoustic-communication#beluga#conservation
Cape Cod aerial survey records 2,000+ marine animals across 15 species
science2 days ago

Cape Cod aerial survey records 2,000+ marine animals across 15 species

An aerial survey over the Northeast Canyons and Seamounts Marine National Monument off Cape Cod counted over 2,000 animals from 15 species, including 1,800 dolphins, an endangered sperm whale, a humpback whale, one endangered fin whale with calf, 11 whale sharks, manta and devil rays, hammerhead sharks, and an endangered blue whale, highlighting the monument’s rich biodiversity.

via Yahoo|
#biodiversity#cape-cod#dolphins
Whale Calls Debunk a Physics Paradox: It’s All About Wave Interference
physics-and-chemistry8 days ago

Whale Calls Debunk a Physics Paradox: It’s All About Wave Interference

An oceanographer noticed humpback calls near Massachusetts appeared to exceed the speed of sound, but the effect isn’t physics breaking — it comes from interference between the direct sound and its surface-reflected echo reaching the hydrophone, making the strongest signal peak appear to arrive faster. This observer-relative illusion aligns with special relativity concepts, and the researchers propose experiments to verify this underwater SR-like phenomenon, with potential applications to light-based tests.

via Gizmodo|
#acoustics#interference#oceanography
Hayden Panettiere’s Final Act: a PETA Bath Ad Weeks Before Death
entertainment10 days ago

Hayden Panettiere’s Final Act: a PETA Bath Ad Weeks Before Death

Hayden Panettiere filmed a PETA anti-marine-captivity campaign just weeks before her death, appearing in a bathtub to argue against keeping dolphins and whales in extreme captivity. PETA confirmed the July 22 shoot and highlighted her long history of animal-rights advocacy. The article notes her death at 36 from an apparent overdose, with autopsy finding no signs of trauma and Narcan reportedly present at the scene.

via Page Six|
#animal-rights#dolphins#entertainment
Ocean's Deep Graveyard: 500-Whale Necropolis Reveals Deep-Sea Evolution
science2 months ago

Ocean's Deep Graveyard: 500-Whale Necropolis Reveals Deep-Sea Evolution

Scientists exploring the Diamantina Fracture Zone in the Indian Ocean documented about 485 whale‑fall sites across a 1,200 km stretch, including 476 fossilized whales and five active whale‑fall ecosystems, some skulls dating to ~5.26–5.3 million years ago. The find, described in Nature, is the largest, deepest whale graveyard yet and acts as a living archive of beaked whale evolution, while showing that deep‑sea ecosystems can thrive around whale falls via chemosynthetic microbial communities, Osedax worms, and other life concentrated around these carcasses.

via ScienceAlert|
#beaked-whales#cetacean-evolution#deep-sea
70-Year Fossil Mix-Up Reveals Ancient Whales in Mammoth Labels
science3 months ago

70-Year Fossil Mix-Up Reveals Ancient Whales in Mammoth Labels

Alaskan fossils long labeled as mammoth bones were found to be two whale species (minke whale and North Pacific right whale) after radiocarbon dating showed ages of 2,000–3,000 years — far younger than mammoths. Isotopic and DNA testing confirmed cetacean origin and marine diets, and the remains, stored for seven decades in a museum, were likely mislabeled or misattributed since the 1950s. The discovery prompts questions about how coastal whale remains ended up inland and adds to a growing pattern of fossil misidentification.

via New York Post|
#dna-analysis#fossils#misidentification
The Mystery of the 52-Hz Whale: A Solo Song from the Ocean's Quiet Giant
science6 months ago

The Mystery of the 52-Hz Whale: A Solo Song from the Ocean's Quiet Giant

A U.S. Navy hydrophone recorded a strange 52-Hz whale call in the Pacific starting in 1989, a frequency higher than typical baleen whales. Woods Hole researchers followed the single-singer call for about 12 years, naming the animal Blue 52, though its exact species and identity remain unknown. Theories include a malformation or a hybrid; there is no evidence the whale is truly lonely. The case popularized the idea of the “loneliest whale,” intertwined with concerns about how ship noise affects whale communication, and the animal has never been visually observed.

via BBC Wildlife Magazine|
#52-hertz#acoustics#loneliest-whale
Global Marine Migrations: Impact of Climate Change on Longest Animal Routes
nature8 months ago

Global Marine Migrations: Impact of Climate Change on Longest Animal Routes

The article highlights some of the world's longest animal migrations, including the Arctic Tern's pole-to-pole journey of up to 59,000 miles annually, whale migrations between feeding and breeding grounds, and remarkable bird and insect flights across oceans and continents, illustrating the incredible endurance and adaptation of these species in connecting ecosystems worldwide.

via Visual Capitalist|
#animal-migrations#arctic-tern#birds