Do Hummingbirds Hum?: Fascinating Answers to Questions about Hummingbirds
(Part of the Animals Q & A Series)
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Hummingbirds may be the smallest birds in the world, but they have the biggest appetites. Their wings flutter on average fifty to eighty times each second as they visit hundreds of flowers over the course of a day to sip the sweet nectar that sustains them. Their hearts beat nearly twelve hundred times a minute and their rapid breathing allows these amazing birds to sustain their unique manner of flight. They can hover in the air for prolonged periods,...
Format:Paperback
Language:English
ISBN:0813547385
ISBN13:9780813547381
Release Date:March 2010
Publisher:Rutgers University Press
Length:208 Pages
Weight:0.70 lbs.
Dimensions:0.6" x 5.5" x 8.5"
Related Subjects
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