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Scientists listened for porpoises inside a tidal-energy zone and discovered the tide itself can bury their clicks beneath 29 decibels of underwater noise
2+ day, 20+ hour ago (568+ words) Tracking marine mammal echolocation clicks is complex due to noise in tidal energy zones. Global offshore renewable projects are rapidly expanding to meet increasing clean power demand. A technology rising in popularity is underwater turbines harnessing the energy from tides....
One hydrophone sitting 891 meters down in Monterey Canyon, wired to shore by 52 kilometers of cable, recorded 2,111 days out of 2,192 between July 2015 and June 2021, and humpback song climbed from 34 percent of days to 76 while blue whale song fell away after a marine heat wave.
3+ day, 23+ hour ago (226+ words) By Life Signs · Edited by Nato Lagidze Published September 9, 2026 · How we edit A single hydrophone bolted to the seafloor of Monterey Bay has produced six years of near-continuous acoustic data on baleen whale behavior, and the sound it captured shows…...
Humpback whales can sing for up to 16 hours without stopping, and scientists have found their songs are synchronized with every dive — different themes line up with the descent, the deep-water phase and the climb back to the surface
4+ day, 22+ hour ago (483+ words) Sixteen hours of nonstop singing would wreck a human throat, a human diaphragm and probably a human marriage. Published September 8, 2026 · How we edit Sixteen hours of nonstop singing would wreck a human throat, a human diaphragm and probably a human…...
Free of offshore wind turbines, dolphins off Florida's coast may be hunting by ear and 62 hours of underwater recordings show exactly where their clicks, whistles, and acoustic hotspots converge
6+ day, 12+ hour ago (474+ words) Ocean waters along the southeastern United States host complex biological communities where sound plays a fundamental role in survival. For marine mammals, acoustic signals represent the primary tool for navigating, communicating, and locating prey in murky environments. Dolphins rely on…...
How well can marine mammals filter out noise?
1+ week, 2+ day ago (253+ words) lead image Anyone who has struggled to make out a conversation in a loud bar or restaurant has experienced auditory masking — a phenomenon in which the presence of one sound makes it harder to hear another. Understanding the toll of…...
Boat noise reduces whale song detection by up to 45%: scientific alert in Panama
1+ week, 4+ day ago (218+ words) Panamanian researchers from the Sustainable Pacific project confirmed that noise generated by vessels reduces the probability of recording whale songs by 40 to 45%, essential sounds for understanding the habits of these marine mammals. Alejandro Arrivillaga, the project manager, warned that elevated…...
Could humans ever communicate with whales? - video
1+ week, 4+ day ago (252+ words) Ever since the earliest known recording of whale song was made in 1949, researchers have been captivated by the wails, rumbles, clicks, grunts and squeals of their communication. As technology improves, scientists are decoding the intricate patterns that make different species…...
Clicks, grunts and squeals: the wonders of whale communication – podcast
1+ week, 4+ day ago (70+ words) 1. Copyright 1978 National Geographic Society and 1977 Capitol Records, Inc. Commentary by Dr Roger Payne 3. Footage courtesy of Raincoast Conservation Foundation - Obtained for research under SARA permit XMMS 4 2026 4. Video by Amanda Cotton/Project CETI 5. Footage courtesy of Valeria Vergara and GREMM. Obtained…...
How a Whale's Dive Shapes Its Song
1+ week, 5+ day ago (307+ words) Julia Zeh standing on the bow of the Hawaiian Islands Humpback Whale National Marine Sanctuary vessel during a field expedition in Hawaii. (Credit: Julia Zeh; NOAA NMFS Permit #19655 and #26593) To gather the data, Zeh and her collaborators temporarily attached sound-and-movement…...
Boat noise makes humpback whale songs up to 45 percent less likely to be detected
1+ week, 5+ day ago (896+ words) Boat noise makes humpback whale songs up to 45% less likely to be detected off Panama. Boat engines are changing what underwater microphones can hear along Panama’s Pacific coast. Early results from a yearlong monitoring project show that the presence of…...