IN SEARCH OF ARCTIC BIRDS RICHARD VAUGHAN
Arctic National Wildlife Refuge: How Drilling for Oil
The Arctic National Wildlife Refuge is America’s largest and wildest piece of publicly owned land. Polar bears, caribou, and wolves roam its 19.6 million acres; golden eagles build their nests on its cliffs, migratory birds rest in its waters, and “the earth and its community of life are untrammeled by man.”. But, unfortunately for the 700 species of plants and animals that rely on the
Climate Change Poses Challenges to Plants and Animals
The Arctic generally has very unpredictable spring weather conditions, with huge swings between years. As it turned out, the growing season started 12 days late in 2013. The birds also showed up later, had their babies later, found enough insects to
Structures built by animals - Wikipedia
Structures built by animals, often called animal architecture, abound in nature. Examples include termite mounds, wasp and beehives, burrow complexes of rodents, beaver dams, elaborate nests of birds, and webs of spiders. Often, these structures incorporate sophisticated features such as temperature regulation, traps, bait, ventilation, special-purpose chambers and many other features.
Browse By Author: S | Project Gutenberg
Schafer, Richard D. (Richard Donald), 1918-¶ An Introduction to Nonassociative Algebras (English) (as Author) Schäfer, Rudolf, 1878-1961 ¶ depedia; Ein Ehzuchtbüchlein (German) (as Illustrator) Schäfer, Wilhelm, 1868-1952 ¶ Deutsche Humoristen, 8. Band (von 8) (German) (as Author) Die dreizehn Bücher der deutschen Seele (German) (as
Great horned owl - Wikipedia
The great horned owl (Bubo virginianus), also known as the tiger owl (originally derived from early naturalists' description as the "winged tiger" or "tiger of the air"), or the hoot owl, is a large owl native to the Americas is an extremely adaptable bird with a vast range and is the most widely distributed true owl in the Americas. Its primary diet is rabbits and hares, rats and mice, and
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The evolution of a tropical biodiversity hotspot | Science
The role of the environment in the origin of new species has long been debated. Harvey et al. examined the evolutionary history and species diversity of suboscine birds in the tropics (see the Perspective by Morlon). Contrary to expectations that the tropics have higher rates of speciation, the authors observed that higher and more constant speciation rates occur in harsh environments relative
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BBC Documentaries - IMDb
The Great Rift Valley in Africa was created when the African and Arabian tectonic plates separated about 35 million years ago. This series investigates the forces that