A decade ago, there were just 115 western gray whales left in the world, and their feeding grounds near Russia's Sakhalin Island, north of Japan, were being drilled for oil.
An infrared NASA satellite image revealed that the remnants of Ex-Typhoon Choi-wan continued to generate rainy and windy weather over southeastern Russia on October 8.
A lone female Western North Pacific grey whale has set a record for long-distance migration, according to a study Tuesday.
Conservationists have joined forces with a company working on one of the world's largest oil and gas projects to help limit the impact of seismic surveys on endangered whales.
When scientists fired a cigar-sized satellite tag into the blubber of a western gray whale off Russia's Sakhalin Island in September, they expected to track her along Asia's Pacific shoreline down to the South China Sea.
Environment group WWF on Thursday urged three European banks to block Russian giant Sakhalin Energy's plan to build an oil drilling platform that the group claims could harm the endangered grey whale.