mastodonts

Proboscidea: A monograph of the discovery, evolution, migration and extinction of the mastodonts and elephants of the world, by Henry Fairfield Osborn

OpEdNews - Quicklink: Fish farms drive wild salmon populations toward extinction - ExpressNews - University of Alberta 2007

And here is a serious paper fee required for more than an abstract called "The catastrophic extinction of North American mammoths and mastodonts" by Gary Haynes, which will explain in detail why it was humans, not climate, that did in the elaphants.

Some Pleistocene Links 2005