Fecha de lanzamiento

01 Jan, 1972

Tiempo de ejecución

00:10: (HH:MM)

Sinopsis

Shows the adaptations of several birds which enable them to obtain food, fly, swim, and live efficiently in certain habitats. Examines the differences in bills adapted for spearing fish, breaking seeds, tearing prey, or chipping wood. Demonstrates the various toe arrangements adapted by perching, climbing, ground, swimming, and wading birds.

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