California blue whales

(Newser) - Boats, airplanes, and helicopters searched the Southern California coast yesterday for a blue whale that got tangled in hundreds of feet of line, and rescuers said unless they free it, the massive mammal could die. A Los Angeles County sheriff's helicopter was among craft searching from Santa Barbara south...

(Newser) - After decades of deadly whaling, the California blue whale population has come back with a vengeance. A study in the Marine Mammal Science journal says that the once-endangered mammal, which can be found from Alaska all the way down to Costa Rica, has bounced back to "sustainable levels,"...