Latest Marine mammals and sonar Stories
Killer whales and other marine mammals likely hear sonar signals more than we've known.
In December, the National Marine Fisheries Service authorized Navy sonar training exercises off the coasts of Hawaii and California through 2018. This authorization came despite admittance by the Navy that the work will kill up to 155 marine mammals and harm numerous others.
Researchers from Duke University in Durham, North Carolina, have observed the behavior of whales as they come into areas where sonar is being used and found whales may even avoid venturing into new feeding areas when they hear sonar.
Scientists know that the blood and tissues of some deceased beaked whales stranded near naval sonar exercises are riddled with bubbles.
Scientists have long been aware of a link between naval sonar exercises and unusual mass strandings of beaked whales.
Australian authorities reported on Sunday that at least 150 whales have died after being stranded on Tasmania's west coast.
In a crushing defeat for environmentalists, the Supreme Court ruled on Wednesday the US Navy can conduct sonar training exercises off the southern California coast without restrictions designed to protect whales, dolphins and other marine mammals.
From staff and wire reports WASHINGTON Whales may simply have to pay the price as the Navy trains for war, Supreme Court justices suggested Wednesday.
We were cheered to learn that the U.S. Navy and conservation groups have reached a court-approved settlement that allows the military ample opportunity to test its low-frequency sonar systems while protecting the habitats of marine life .
The U.S. Navy has agreed to restrict the use of sonar during its training exercises as part of a deal with environmental groups, officials said. The groups argue the use of low-frequency active sonar harms whales and other creatures, the Los Angeles Times reported Wednesday.