Flight for survival : the migration of birds (edited version)

Duration: 0:14:31

Year Published: 1975

Creator: Encyclopaedia Britannica Educational Corporation: Distributor | Indiana University Audio-Visual Center: Distributor

Format: 16mm

Color: Color

Sound: sound

Description: Investigates the migratory behavior of birds, demonstrating experiments which have determined that birds navigate by the position of the sun, moon, and stars. Follows the route taken by migratory Swallows, Starlings, Mallards, and more, to illustrate both the distances and hazards which must be overcome in migratory flight each year. Offers theories as to why birds migrate and raises questions about birds' homing abilities which are still unanswered.

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