From towering tyrannosaurs to lumbering mammoths, the animals here are larger, tougher, and deadlier than anything seen before. Dense forests, volcanic plains, and frozen tundras provide varied terrain, but no place is truly safe. Only the most prepared hunters will return from these expeditions....
While population cycles are geographically widespread, it is on arctic tundra that such cycles appear to be most influential for the functioning of the who... RA Ims,F Eva - 《Bioscience》 被引量: 409发表: 2009年 Lipids in Arctic benthos: Does the fatty acid and alcohol composition reflect...
From towering tyrannosaurs to lumbering mammoths, the animals here are larger, tougher, and deadlier than anything seen before. Dense forests, volcanic plains, and frozen tundras provide varied terrain, but no place is truly safe. Only the most prepared hunters will return from these expeditions....
From towering tyrannosaurs to lumbering mammoths, the animals here are larger, tougher, and deadlier than anything seen before. Dense forests, volcanic plains, and frozen tundras provide varied terrain, but no place is truly safe. Only the most prepared hunters will return from these expeditions....
From towering tyrannosaurs to lumbering mammoths, the animals here are larger, tougher, and deadlier than anything seen before. Dense forests, volcanic plains, and frozen tundras provide varied terrain, but no place is truly safe. Only the most prepared hunters will return from these expeditions....
Pups are usually born in the spring or early summer in very cold places, such as the tundra. Females give birth to six to eight puppies, with a gestation period of 2–2.5 months. Two subspecies were reported from Saudi Arabia; Canis lupus arabs Pocock, 1934 and Canis lupus pallipes Sykes...