The main cause is: HUMANS
sweg
They are endangered due to their current population and rate it is either increasing or decrease Main cause for some species like Antarctic Minke whale is due to hunting and many whales before were hunted to the brink to extinction but some able to recover after commercial whaling ban. Main cause is Whaling but Whales do die from ship collisions and occasionally from military tests in the oceans.
yes
Loss of habitat no human nature
A killer whales predator is a human cause they hunt them for blubber
Loss of habitat no human nature
Loss of habitat no human nature
habitat destruction by humans.
your mom is the reason for every bad thinggggggg Flag it please!
Natural events and human activities
to stop the Japanese whaling fleet illegaly killing whales for what they call research.