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.