Series of Bird Videos Quizziz

On average, how many times per second can a hummingbird flap its wings?

• a. 21

• b. 50

• c. 10

• d. 35

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When do birds change their colors for the courtship season?

• a. Winter

• b. Spring

• c. Summer

• d. Fall

The fastest recorded flying speed in level flight was achieved by:

• a. Common Swift

• b. Peregrine Falcon

• c. Brazilian free-tailed bat

• d. Hummingbird

What do birds get in addition to new colors for their makeover?

• a. New beaks

• b. New wings

• c. New feathers

• d. New tails

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NGSS.MS-LS3-1

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What is the approximate frequency at which the smallest hummingbirds flap their wings?

• a. 30 Hertz

• b. 100 Hertz

• c. 80 Hertz

• d. 45 Hertz

Which statement is true about bats' flight compared to birds?

• a. Bats can perform long-distance migrations efficiently.

• b. Bats are faster than birds at flying parallel to the ground.

• c. Bats can easily create the efficient swirling air called Wing vortices.

• d. Bats are less efficient flyers due to the inability to avoid negative lift.

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What aspect of hummingbirds' activity resembles musical notes due to its speed?

• a. Heartbeats

• b. Wing flapping

• c. Breathing rate

• d. Eating speed

The difference in the wings of bats and birds affects their flying capabilities because:

• a. Birds have rigid wings with feathers projecting.

• b. Bats have wings made of feathers.

• c. Birds have wings made of skin stretched over elongated fingers like bats.

• d. Bats have wings with arm bones fused together.

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