Jeff Stanfield & Andy Shaver are joined by Dr. Philip Lavretsky, who is a professor at the University of Texas at El Paso. They discuss the pintail decline and the northern expansion of the Mexican Tree duck, what forced male ducks manifest bright colors, human impact on where waterfowl migrate, and what the first duck might have looked like millions of years ago.
Episode #851: Terry Wolf
🚨 DID YOU KNOW? 🚨 Lefties, Zebras, & Bourbon Tax
Episode #850: John Dunaway
Episode #849: Steve Barber
🚨 DID YOU KNOW? 🚨 The Proposed 13th Amendment & Most Profitable Movies
Episode #848: Erik Price & Lesli Price
Episode #847: Wyman Meinzer
Episode #846: Father Stephen Gadberry
🚨 DID YOU KNOW? 🚨 - Sacagawea, Queen Victoria, & Draft Facts
Episode #845: Stacey Coker
Episode #844: Matt Robertson
Episode #843: Kristian Lilley
🚨 DID YOU KNOW 🚨 Lawn Care & Dyatlov Pass
Episode #842: Corey Lucas
Episode #841: Stan Wickersham
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Episode #840: Chandler Phillips
Episode #839: ‘Naders, Quick History, & the NFL Draft
Episode #838: Jack Zimmerman
Episode #837: Bryan Wynn
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