Hummingbirds Orenstein RonaldPaperback / softback
Hummingbirds Orenstein RonaldPaperback / softback A comprehensive natural history of nature's smallest bird species.The spectacular photography of Michael and Patricia Fogden reveals the diversity,…
Specifikacia Hummingbirds Orenstein RonaldPaperback / softback
Hummingbirds Orenstein RonaldPaperback / softback
A comprehensive natural history of nature's smallest bird species.The spectacular photography of Michael and Patricia Fogden reveals the diversity, beautiful colors and movement of these unique birds. They number 300 species and Ronald Orenstein has a passion for all of them.Hummingbirds are the smallest birds in the world. -- Publishers WeeklyThe tiny hummingbird has long been a source of fascination for birdwatchers and naturalists alike.
But these tiny birds pack a powerful engine: a hummingbird's heart beats more than 1,200 times per minute.Nicknamed the avian helicopter, a hummingbird's wings beat from 70 times per second in direct flight, to more than 200 times per second when diving. A hummingbird egg is the size of a pea, barely, and the chick that emerges will be smaller than a penny, if that. Not surprisingly, that whirlwind
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