Animal trauma could be linked to bad human behavior, Bay Area marine mammal experts say
"So, each year we see close to a third of the patients the Marine Mammal Center rescues suffering from some form of disturbance or harassment out on the beach."
Worry for orcas in French marine park spikes after video
The orca and dolphin pools at Marineland, according to management, remain well-maintained despite concerns, with algae being a regular seasonal occurrence that poses no harm.
See how rescue workers are trying to save California's poisoned sea lions
"It's really hard. It's emotionally taxing," said Dave Bader, a marine biologist at the Marine Mammal Care Center, a wildlife hospital in Los Angeles that has responded to more than 190 animals in distress between Feb. 20 and March 28.