There are many reasons but I'd say one of the biggest is loss of habitat and loss of food.
what killer whale by justin d ath about
Whales are killed by techniques of high powered rifles or electric shock. Whales take up to 30 minutes to die.
The 2 main predators are the killer whale (orcas) and leopard seals.
Some whales are attacked by killer whales, but the whale's main threat is whalers.
Mostly because Japanese people have killed them for their meat and blubber.
Polar Bears and Killer Whales (Orca) are the two main predators of the beluga whale. Polar bears take particular advantage of situations when belugas become trapped by ice and are thus unable to reach the ocean. The bears swipe at the belugas and drag them onto the ice. The killer whale is its other significant natural predator.
no main reson natural causes
They don't have any natural enemies. Humans are the only main threat to Killer Whales. This is because of human activity mainly captured for captivity and hunting but as well as ocean pollution.
the social effects of whale hunting are if people keep hunting whales, the more endangered the will become mabye they will become extinct.
They are actually completely different. Killer whales are black, white, and have a bit of gray behind their dorsal fin. Beluga whales are completely white, but some certain whales can have some light gray under their eyes. Also, Belugas don't even have Dorsal fins. They have a clean, staight back.
The endangered species that is the largest mammal on earth is the blue whale. The whale actually has about 25,000 animals left as of 2014. The Asian or African elephants are also endangered, but there are several hundred thousand of these animals left.
Polar Bears and Killer Whales (Orca) are the two main predators of the beluga whale. Polar bears take particular advantage of situations when belugas become trapped by ice and are thus unable to reach the ocean. The bears swipe at the belugas and drag them onto the ice. The killer whale is its other significant natural predator.