Ship-assisted birds, South American travel, and watching winter shift

George and Alvaro are chatting about recent birds in their backyards, ABA rarities, sparrow speciation, recent South American travels, and more!

At the end of this episode, Alvaro cites a new paper about genetic expression with wheatears as the example species. Start here to dive into this research: https://www.the-scientist.com/variation-at-a-single-gene-controls-songbird-plumage-73606

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Thanks to Kowa Optics for sponsoring our podcast! Want to know more about us? Check out George's company, Hillstar Nature; Alvaro's company, Alvaro's Adventures, and Mollee's company, Nighthawk Agency, to see more about what we're up to.