dolphins
Coverage of dolphins in the Nexus archive.
- WATCH: Whale watchers catch rare sight of orcas hunting dolphins in California
Passengers on a whale watching boat in central California observed orcas hunting dolphins in Monterey Bay. The event occurred over the weekend and was described as a rare sighting.
- Video captures killer whales chasing and tossing dolphins in Monterey Bay
A whale-watching trip in Monterey Bay captured orcas hunting dolphins, described as an extraordinary and rare event by crew members. Biologists noted the orcas' aggressive tactics and emphasized the ecological importance of such predator-prey interactions, despite the graphic nature of the hunt.
- Bycatch has ‘shocking’ toll on British marine life, first-ever analysis reveals
A first-ever analysis reveals that thousands of protected marine species, including whales, dolphins, seals, and seabirds, are being killed annually in the UK due to bycatch from fishing vessels. Conservationists highlight the 'shocking' toll of accidental capture and death caused by fishing tackle.
- 7News viewer captures images of manatee mating herd spotted in Miami
A 7News viewer in Miami initially reported what appeared to be struggling dolphins, but Florida Fish and Wildlife Conservation Commission officials identified the group as a manatee mating herd. These herds involve one female pursued by multiple males and do not require human intervention, though reporting them helps monitor manatee populations.
- Research roundup: 6 cool science stories we almost missed
Japanese scientists from the University of Osaka used supercomputer simulations to uncover how dolphins generate thrust through tail movements and vortices, revealing that large vortex rings contribute to forward motion while smaller vortices do not. The study was published in the journal Physical Review Fluids.