Amazing hummingbirds
How hummingbirds choose flowers is just one of many reasons the tiny sprites are so fascinating
Contributed by Eldon Greij
Published:
April 23, 2010
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Founding Editor Eldon Greij recounts the many reasons hummingbirds are popular among birdwatchers -- their small size, their scrappiness, their ability to hover and fly backward, their supercharged metabolisms -- and he describes the strategies hummingbirds employ to guarantee ready access to food sources. Either the birds will defend a feeding territory that includes one or more flower patches, or they will engage in trap-lining. Trap-lining hummingbirds repeatedly visit widely spaced flowers but don't actively defend them.
Read more about Eldon Greij »
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