Animal including salt water, hydrothermal vents, fresh water, hot springs, swamps, forests, pastures, deserts, air, and the interiors of animals, plants, fungi and rocks. Animals are however not particularly heat tolerant; very few of them can survive at constant temperatures above . Only very few species of animals (mostly nematodes) inhabit the most extreme cold deserts of continental Antarctica. The blue whale ("Balaenoptera musculus") is the largest animal that has ever lived, weighing up to 190 metric tonnes and measuring up to long. The largest extant terrestrial animal is the African bush elephant ("Loxodonta africana"), weighing up to 12.25 tonnes and
The Complete Guide to Middle-earth The Complete Guide to Middle-earth The Complete Guide to Middle-earth: from The Hobbit to The Silmarillion is a reference book for the fictional universe of J. R. R. Tolkien's legendarium, compiled and edited by Robert Foster. "The Complete Guide to Middle-earth" is a major expansion of Foster's "A Guide to Middle-earth", which was published in a limited edition by Mirage Press in 1971. Almost twice the length of the original (573 pages vs. 292 pages), the 1978 version incorporates extensive entries related to "The Silmarillion" (1977). A further revised edition () was published in 2001 in time for "The Lord