In this multimedia video produced by the Wisconsin Educational Communications Board, Nina Leopold Bradley recounts how she learned as a child to record first flower blooms and the arrival of birds on her family’s land along the Wisconsin River. She introduces the practice of phenology, or the study of the timing of life cycles of plants and animals, and explores evidence of climate change from records her family has kept since 1935.

More info and educational resources available at

Production Credits:
Finn Ryan – producer, director
David Nevala – photography, editing
Asche and Spencer – music
Aldo Leopold Foundation – historical images
Kevin Cole – image
Peter Gorman – image
Matt Knoth – image
Rick Leche – image
Aditi Raval – image
Jay Williams – image
Aditi the Stargazer – image
Mark Fischer – audio

Special Thanks:
Nina Leopold Bradley
Trish Stevenson
Kathe Crowley Conn – Aldo Leopold Nature Center

© 2010 Wisconsin Educational Communications Board

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