A really big one. Such as the .458 Winchester Magnum. You want a rifle that will throw a bullet that weighs over 400 grains, at a speed over 2000 feet per second, and the bullet should be made to either expand minimally or not at all, so that it penetrates deep and shatters bone if it encounters any.
The smallest round that you should ever use is the .375; but even that will not do good if the elephant is too big. the biggest you should use is a .950 JDJ which will pretty much kill it where ever you shoot it, but the bullets are very expensive.
Engaging in hunting activities without obtaining proper authorization from the designated property overseer is commonly referred to as poaching.
An Owl
In the US, each state has its own time-frame for animal type and hunting type. Generally, bow-hunters get a jump-start on the riflemen. But you may be hunting what is termed a 'varmint,' with open season, year-round in your state. Also, hunting on private property or a private preserve has its perks.
An elephant is a mammal.
Mammoth and an Elephant
An elephant dude is a type of of hair on the rear or butt of the elephant
The Asian Elephant has the smallest ears, of the current existing species (African Bush Elephant, African Forest Elephant, and Asian Elephant or Indian Elephant). However, when alive, the Mammoths had the smallest ears.
The African Bush Elephant
go to google or yahoo and type in elephant.
The African forest elephant.
A bull (male) elephant is the largest type of elephant.
according to http://www.dictionary.reference.com/browse/elephant An elephant is five-toed pachyderm