... protect the softer internal network of chambers. hot air rises through the main chimney shaft and cools mud walls can reach a height of 20 feel (6 m) fresh air enters and stale air is expelled through vents in the porous walls cool ...
Hunting and competition from domestic cattle mean Hunter's hartebeest is critically endangered . No more than 400 still exist in the wild . Ex + 6 Cattle , goats , and sheep , along with buffalo , antelope , and gazelles , are bovids .
User-friendly and accessible, this is the perfect modern encyclopedia for animal enthusiasts of all ages.
The Encyclopedia of Animals
Deep in its underground burrow, the Carolina wolf spider waits for the sun to set. When nighttime falls, it scans the entrance of its burrow with large, sensitive eyes. If there are no predators watching, it comes out to hunt.
A visual guide to animals, a detailed natural history introduction and over 1000 beautiful artworks.
Color pictures of animals and myriad facts about them.
A Visual Who's Who of the World's Creatures by Dr. Philip Whitfield, General Consultation An unparalled guide to the animal kingdom, with full color illustrations of nearly 2000 animals: Mammals, Reptiles, Fish, Birds, and Amphibians.
Photographic reference with facts about twenty-five hundred animal species that detail animal habitats, life cycles, and conservation efforts. Includes glossary and separately paged section at the end, Amazing animal facts.
The Encyclopedia of Animals