Scientists this year have been reporting high numbers of emaciated gray whales and gray whale deaths, as well as low calf counts.
A 40-foot adult gray whale that was found on April 2 near Rodeo in Northern California died of severe malnutrition.
Thirty-one dead gray whales have been spotted along the West Coast since January, the most for this time of year since 2000, when 86 whales died. Dozens more have shown visible signs of malnourishment, and sightings of mother-calf pairs are down sharply.
, a biologist and co-founder of Cascadia Research who tracks gray whales in Washington state. “As a researcher, I feel that you want to at least understand what is going on.” , a research associate at the UC Davis School of Veterinary Medicine, estimates that gray whale deaths could hit 60 or 70 by the end of the season.In a typical year, scientists at the Marine Mammal Center in Sausalito see two or three dead gray whales. So far this year, they’ve counted seven, according toDuignan performed necropsies on all of them and determined that four had died of malnutrition.
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