A gray whale has crossed the ocean from Russia to San Diego, raising 
scientific questions about relationships between whale populations on 
both edges of the world's largest ocean.
The whale, an 8.5-year-old female named Varvara, swam from Sakhalin 
Island on Asia's east coast to Canadian waters before traveling south 
with gray whales migrating from Alaska to Baja California. She is being 
tracked using a satellite tag by the Marine Mammal Institute at Oregon 
State University, which located her in local waters late last week, 
along with counterparts in Russia.
Here's how the research group described Varvara's movements through 
Sunday: "Varvara traveled from Cape Mendocino in northern California to 
the U.S./Mexican border ... using a combination of nearshore and 
offshore routes. Going through the Southern California Bight, she 
threaded her way between several of the Channel Islands in what would 
not be described as nearshore, while also not skirting the west side of 
the more westerly island."
Bruce Mate, who directs the Marine Mammal Institute, said in a Monday
 interview that Varvara has crossed into Mexico and may mate in Baja 
waters this year.
Last year, a western gray whale named Flex drew international 
attention for a similar migration, but researchers lost track of him 
well to the north of San Diego.

 
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