Exceprt from wild-bird-watching: Hummingbirds are very fast, traveling at an average 25 miles per hour, with wingbeats of anywhere from 10-15 per second in the Giant Hummingbird, up to 80 per second by the Amethyst Woodstar. The ruby-throated hummer falls into the middle range, at about 53 beats per second. To sustain such rapid and prolonged activity, the hummingbirds heart must beat accordingly. For birds that are hot, or sleepy, that can be as low as 50-180 beats per minute, but a heart rate of an amazing 1360 beat per minute has been recorded in a Blue-Throated Hummingbird. All this activity requires a humming bird to eat almost continually, to fuel the activity that will maintain its 105-109F body heat. That means dining as many as 15 times an hour, on high-energy food. window mounted hummingbird feeder See All Gifts for Hummingbird Lovers In volume, they consume up to eight times their body weight a day. But reduce the nectar to a solid by eliminating the water, and it would amount to their own bodyweight. - See more at: wild-bird-watching/Hummingbird-Facts.html...
Posted on: Fri, 04 Jul 2014 09:25:30 +0000
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