whales-凯发k8官网

12-04-23 scientists have made what they believe to be the first sighting of an adult white orca, or killer whale. 科学家首次发现一只成年白色逆戟鲸，又称杀人鲸。 iceberg is believed to be the first mature white orca observed the adult male, which they have ni...

12-03-23 hunting in the ocean's murky（黑暗的） depths, vision is of little use, so toothed whales and dolphins (odontocetes) rely on echolocation to locate tasty morsels（一口，少量） with incredible precision. laura kloepper from the university of hawaii,...

12-03-08 more than 99 percent of antarctic blue whales were killed by commercial whalers during the 20th century, but the first circumpolar（极地附近的） genetic study of these critically endangered whales has found a surprisingly high level of diversity amo...

12-01-31 killer whales (orcinus orca) are the top marine predator, wherever they are found, and seem to eat everything from schools of small fish to large baleen whales（须鲸） , over twice their own size. the increase in hunting territories available to kil...

11-06-26 marine biologist david wiley of the national oceanic and atmospheric administration (noaa) and others report in the latest issue of behaviour (volume 148, nos. 5-6) how humpback whales（座头鲸） in the gulf of maine catch prey with advanced water te...

11-04-27 as they might with most endangered animals, scientists consider the whereabouts and activities of rig ht whales（露脊鲸） extremely important. it is helpful to know where they go, why they go there and what they do when they're there, says mark f. b...

10-12-10 diving blue whales can dive for anything up to（多到，达） 15 minutes. however, bob shadwick from the university of british columbia, canada, explains that blue whales may be able to dive for longer, because of the colossal（巨大的，异常的） oxygen...

10-11-13 it's not just holidaymakers who need to keep covered up in the sun. 并不是只有外出度假的人才需要防晒。 scientists have discovered that a growing number of whales are suffering from sunburn - and that the hole in the ozone layer could be to blame. th...

10-11-11 whales exhibit skin damage consistent with（符合） acute sunburn in humans, and it seems to be getting worse over time, reveals research published this week in proceedings of the royal society b. scientists from the zoological society of london (zsl...

10-04-23 in a report published today in the journal genome research, scientists report finding strong genetic evidence supporting the theory there are several species of killer whales（虎鲸） (orcinus orca, also known as orcas) throughout the world's oceans....