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.
🚨 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
Episode #836: Dustin Johnson & Garrett Durrett
Episode #835: Lisa Roffman
Episode #834: Nathan Hawkins & Tony Baez
Episode #833: Greer Smith
Episode #832: Eric Lewis
Episode #831: JJ Miller
Episode #830: Allan Doran
Episode #829: Clay Reid
Episode #828: Austin Stewert
Episode #827: Conner Gough
Episode #826: Shawn Keeton
Episode #825: Super Tuesday
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