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Bird Banking in Flight

A bird tilts and curves through the air with its tail spread wide. Its wings bend at two joints so it can change direction, adjust speed, and slow before landing.

In the picture

  1. Fanned tail feathers: spread wide to create drag and help the bird brake.
  2. Elbow joint: bends to reshape the wing during a turn.
  3. Wrist joint: bends to twist the outer wing and adjust airflow.
  4. Wingtip feathers: separate to smooth airflow and control roll.

Examples

  • A pigeon spreading its tail just before it lands on a ledge.
  • A hawk bending its wings to curve after moving prey.

Quiz: Bird Banking in Flight (Age 13)

  1. According to the card, how does a bird steer?

    • By changing the shape of its wings and spreading its tail
    • By pointing its beak in the direction it wants to go
    • By flapping only one wing harder than the other
  2. What do the fanned tail feathers do when they are spread wide?

    • They create drag and help the bird brake
    • They twist the outer wing to adjust airflow
    • They push the bird upward to gain height
  3. What do jointed wings and tail feathers work together to control?

    • Only takeoff and climbing
    • Only direction, not speed or landing
    • Speed and landing

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Animals, Age 13