HUMMINGBIRDS

Hummingbirds can consume up to _____ times their bodyweight in nectar in one day.

• 6

• 2

• 20

• 12

Relative to a hummingbird’
s body size, what are their speeds most similar to?

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Why do some hummingbirds most likely have serrated bills?

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The pectoral muscles can account for how much of a hummingbird’s bodyweight?

• 1/6

• 1/3

• 1/10

• 1/2

Which behavior might you expect to see while watching a hummingbird?

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• 

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A hummingbird’s heart beats very quickly, especially during hovering, during which hummingbirds flap their wings faster than we can see. How do you think this heart rate will compare to those of other birds, such as a vulture or a robin?

• A slower heart rate than vultures and robins

• A heart rate similar to vultures and robins.

• A faster heart rate than vultures and robins.

• An irregular heart rate compared to vultures and robins

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Hummingbirds have incredible memory, and can recall the exact locations of hundreds of flowers. Why do you think it is so important for them to know beforehand exactly where to go throughout the day?

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