Results for: unusual+mortality+event

US: Virus likely causing dolphin deaths

Dolphins in 'bad shape' after BP oil spill

Dead fish in Rio Olympic bay baffle scientists

Starving sea lion pups fill Calif. rescue centers

Special report - How scams and shakedowns brought Ukraine to its knees

FDA weighs lifting safety restrictions on Avandia

With Chavez stricken, elections become crucial

Foreign-trained doctor under investigation over botched operations