“The (Black Sea's dolphin ... The first known program was started in the 1950s by the U.S. Navy. Dolphins and beluga whales were held in captivity and studied as a way of researching ...
11 个月
Military Times on MSNInside the Navy's Marine Mammal ProgramSAN DIEGO – In 1959, the Navy stood up its Marine Mammal program here. With one dolphin, researchers set out to study how ...
MOSCOW, November 22. /TASS/. An air survey of the Black Sea called Flights with Dolphins - the first one of the past 40 years - has identified a reduction in the number of dolphins in groups and a ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果