Description
Two children put up a birdhouse in their backyard and watch as a pair of tree swallows build a nest and raise six babies before migrating south in the fall, in a book that provides information about tree swallows and birdhouses.
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Hayley and Martin build a birdhouse to attract backyard swallows. Once the new home is in use, the children can watch the swallows collect nesting materials, lay six snowy white eggs, and care for their newly hatched young.
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