Expedition Archive

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Zoom Zooming

Explore Mary Hennen's previous expedition seasons to learn more about Peregrine Falcons and The Field Museum's Chicago Peregrine Program. Be sure to check out Mary's dispatches and explore the Interactive Maps to learn which nests were active, how many chicks hatched and fledged (learned to fly and left the nest), and where they've dispersed over the years!

2008 Season: Find out more about how birds are banded and the anxiety that bird monitors experience when watching Peregrine chicks attempt their first flight.

2006 Season: Discover what makes a good eyrie (nest site), and take a look at one of the best Peregrine breeding seasons yet tracked through Expeditions at The Field Museum—29 eyasses (young falcons) out of 30 survived!

2005 Season: Learn more about incidences of inbreeding in Peregrines, and discover how parents defend their nests when our monitors begin banding chicks.

2004 Season: Follow along with the first season that Expeditions at The Field Museum began featuring the Peregrine program, and check out the videos of chicks being banded!