Gray whale populations began a downward trend in 2019 that caused a 46% drop in population, according to the National Oceanic Atmospheric Administration (NOAA).
An unexpected culprit is decapitating baby seals in California sfgate.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sfgate.com Daily Mail and Mail on Sunday newspapers.
Decapitated seals have been turning up along North American coastlines for several years. Some experts have suggested humans were to blame for sea lions, harbor seal pups, and various other pinnipeds losing their heads. One private investigator went so far as to suggest the "cuts were surgical.".