news on whales
MASTS Lecturer in Biology, University of St Andrews
Professor – Institute for Marine and Antarctic Studies, University of Tasmania
Caspian seals, indigenous to the land-locked Caspian Sea, are one of the smallest species of seal and have been considered endangered by the IUCN since 2008.
Mr Putin announced the process of releasing of whales from the holding pen had begun in June last year. The last Belugas were released in November.
Talk about feeling down-in-the-mouth.
By Rafi Letzter
What’s interesting, said Calambokidis, is that most baleen whales aren’t considered to form long-term social connections to one another, like killer whales often do.
Boaters are reminded to travel slowly, look for blows, and not approach within 100 yards of the gray whales. The “Whale Warning Flag,” adopted in 2018 and displayed by many whale watching and research vessels, also signals that whales are nearby and that boaters should take caution.
Three of the world’s biggest oil companies – Shell, Total and ExxonMobil – have spent years developing a marine vibroseis device. Andrew Feltham, a geophysicist at Total who works on the project, says that the system has been shown to function as intended but requires some further testing before it can be used in field work.
Norwegian firm Petroleum Geo-Services (PGS), which helps oil and gas companies find offshore reserves of fossil fuel, has also been working on a vibroseis system. It has a different, more compact design that uses a stack of plates to generate vibrations.