Female Western Gray Whale Sets Record for Longest Mammal Migration

Varvara, a female western gray whale (Eschrichtius robustus), swam from northeastern Sakhalin Island to Mexico and back again – nearly 22,500 km (14,000 miles) – in 172 days, says a group of scientists led by Dr Bruce Mate of the Oregon State University’s Marine Mammal Institute. Gray whales are well-known for their long-distance migrations between [...] —> Read More