Blue whales only preditor [other then humen] is a killer whale
hope it helps
it is the animal who eats the right whale.
male sperm whale
Whale's main predators are humans.
spongebob
sperm whale shark pilot whale
mainly humans
Humans
It somewhat depends on the type of whale. The blue whale is very vicious and has practically zero predators. But, typically, most whale may creat wailing sounds to warn others of their presence.
A killer whale is actually an apexial predator. There is no predator for them.
Great white sharks.
HUMANSsealionssometimes orcas
killer whale