killed or shot by whalers, pollution, global warming and moving ice
boats burning fuel causes carbon dioxide and pollution for a long period of time
No gray whales are killed. Indigenous communities in Alaska kill 50 bowhead whales a year.
There is reasons for this. One being that some are killed by orcas. Secondly s due to human activity like pollution, being accidentally caught in nets and killed in form of whaling for their meat.
whales were mainly killed for both food and wamth from the fat.
Dead Whales
Pollution can impact whales in two ways:As top predators (they eat things that eat things,that eat things) they are at the receiving end (get aconcentrated dose of) of the bioaccumulation of contaminants like PCBs and mercury.Low levels of pollution and climate change can remove the species of food that whales eat. They then starve.
Probaly 1.Million each year because of pollution
From 1930 to 1931 , 29 000 Blue Whales were killed.
Whales are killed for food and other by products from which a profit is made.
The whales bones got dissolved in the sea..
By poaching, or by whaling, if that's what people call for "poaching whales".