Related Program: 
Nature of Things

Gifts of the Glacier

By • Nov 2, 2012

John Weeks discusses lands that are rich in glacial history, chiefly Chicago Bog. He touches on the aesthetics of the bog, from surrounding shrubbery to bog inhabitants.

Originally aired on November 2, 2001.

Tags: 
bog
glacier
mallard
kettle lakes
birds

Related Content

Outside Influences

By • Oct 12, 2012

John Weeks discusses the influence of the moon on bird migration and reproduction. He explains how day length have been demonstrated to trigger reproductive cycles and stimulate hormone production.

Mysteries of Sight, Sound and Other Senses

By • Sep 25, 2012

From birds using celestial navigation, to salmon using chemical sensors to "smell" their way home, John Weeks discusses the migration phenomenon of various species. Weeks notes that many migration patterns hold mysteries that are still unexplained.

Evening Pond Watch

By • Oct 19, 2012

Weeks recounts a walk along Rice Pond and the interlacing of the sounds coming from various species of waterfowl. He also provides information regarding the colorful ensembles sported by different types of birds that were seen on the hike.