Kid's Planet:
Their are many threats to the killer whales that pollution and chemical contamination causes them to get disease and cause reproductive diffulties.

Marinebio:
The killer whales are be threat by the fisher men because they are beening hunt by them. Also that pollution is in the sea from oil, trash and people's toxic that gives them disease wich leads them to die.

CMS:
One of the threats to them is culling which is that the fisher men are shooting at they whales. The other is pollution that from all thet toxic throungh in the ocean that cause them with weight problems and other disease that can kill the whales.