Page 127 - (DK) I Can’t Believe It! 2
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IT CAN’T BE TRUE! 125
nectar every day.
The bee hummingbird is a tiny but busy bird. It hovers by flapping its wings at 80 times a second, with its heart beating at an incredible 1,220 times a minute. To power this activity, the bird must feed every 10–15 minutes. It eats about half its own body weight in sugary
THE SWORD-BILLED HUMMINGBIRD Not all hummingbirds are tiny. Among the largest are sword-billed hummingbirds. Their bills alone measure the same as two entire bee hummingbirds! What is the smallest bird? The bee hummingbird, which lives only in Cuba, is 2¼ in (5.5 cm) long and weighs just 0.06 oz (1.6 g).
US_124_125_309600_ICBT_Hummingbird.indd 125 19/12/17 2:36 pm
