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 #688: J6, NFL, & Pole Shifts
Episode #687: David Schuessler
Episode #686: Chris Williams - Williams Knife Company
Episode #685: Phillip Cowley
Episode #684: Chandler Phillips
Episode #683: NWTF Recap
Episode #682: East Palestine Disaster
Episode #682: East Palestine Disaster
Episode #681: Jeff Coats
Episode #680: The Women pt. 2
BONUS Episode: Super Bowl LVII Pick 'Em
Episode #679: Andrew Alvidrez
Episode #678: John Phelan
Episode #677: Alex Yerges & Wilson McSwain
Episode #676: Bruce Horrell
Episode #675: Ramsey Russell
BONUS EPISODE: Conference Championship Pick 'Em
Episode #674: The Finish Line
Episode #673: Hank Shaw
BONUS EPISODE: Divisional Round Pick 'Em
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