HOW BIRDS MIGRATE BY PAUL KERLINGER IN SOUTH AFRICA
How Birds Migrate by Paul Kerlinger Using case studies and illustrations, the author examines the intricacies and wonders of migration. He explains the basics of flight, the effects of weather and geographical barriers, and flight strategy. Learn how fast and how high birds fly, how far they go in a day, and how they navigate.Unveils the mysteries of bird migration. Ornithologist Paul Kerlinger writes in an engaging style for all bird lovers. "An excellent, popular, yet authoritative explanation." --Library Journal
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