no, because self defence and doing what's right for the animals are factors that you must consider
Yes, lightning can kill animals. It can kill humans. It can kill animals
Enough of it can kill humans and animals, seeing as how it is a chemical, and most chemicals are harmful to humans and animals.
Yes, there has been cases of Killer Whales killing humans, a lot are in Sea World places where the animals are kept in small pools. They don't intend to kill people, its not part of what they do, but if you got into the water with them in the wild and went up to them swimming around them there is a possibility (if their hungry) that they will kill you. But, to be honest its very Rare. Yes they can, but orca whales always avoid humans.
1,000 humans
They can harm, help or kill humans. Dogs can protect and help humans. Wild animals such as bears can or may harm. And lastly, forest or mountain animals can severely injure or kill humans, so stay away!
Hippos
No never kill wild animals
when there is a nuclear meltdown in an area with some what of population of animals and humans if not evacuated it is most likely that the animals and humans will get radiation which can cause cancer and kill them.
Orcas, humans, and walruses can.
They destroy buildings kill animals and humans
Mostly humans, although octopus are also known to kill whales.
lions, tigers and bears oh my... :D