question: Which of the following statements is true about Hummingbirds?
choices: Hummingbirds heart can beat as fast as 300 times per minute. When Hummingbirds are flying they have the fastest metabolism of all animals, except for insects. All of these Hummingbirds often consume very large amounts of food and they are not able to lift off.
answer: When Hummingbirds are flying they have the fastest metabolism of all animals, except for insects.