Quirks and Quarks | Sep 8, 2012 | 7:44

Migrating Birds Leave On Time-qq3-Sep 8, 2012

The wood thrush migrates from Central America to parts of Canada within the same three day period in April every year.

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Quirks and Quarks - The Knowledge - 2014/05/31 - Pt. 5May 31, 2014 | 17:35Quirks and Quarks The Knowledge - 2014/05/31 - Pt. 5 Audio
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