Thursday, May 28, 2009
The smallest hummingbird
The bee hummingbird is the world's smallest warm-blooded vertebrate. This means that it has a spine. The smallest animal with a spine is a fish but it is not warm blooded. This hummingbird flaps its wings 80 to 200 times per second, which is the fastest for any bird. It has the fastest heart beat of any animal at 60 beats per second which is that same as your heart beats in one minute. Bee hummingbirds also have the fewest feathers of all birds. Their body temperature is 40 °C (104 °F), the highest of all birds. At night, their body temperature drops down 19 °C (66 °F) to save energy. Bee hummingbirds eat half their total body mass and drink 8 times their total body mass in water each day. The bee hummingbird can be found only in woodland, shrubbery, and gardens in Cuba and the Isle of Pines. Its nest is only 3 cm across or 1 inch. Sometimes people see this bird and think it is a large Bee which is how it got its name.
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