Birders around North America look forward to midsummer every year for the publication of the AOS North American Classification Committee’s Taxonomic Supplement, the splits and lumps that affect our life lists. And for this conversation we turn, as we have since the very beginning of this podcast, to our own taxonomy guru Dr Nick Block of Stonehill College to talk shearwater splits, gull confusion, and redpoll DNA.

Don’t forget to donate to the ABA’s Nesting Season Appeal, which raises money for our excellent young birder programs. And check out our upcoming community weekends!

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Thanks to our friends at Zeiss for sponsoring this episode. For a limited time you can get $200 of all ZEISS Conquest HD binoculars. Visit your local optics dealer or visit ZEISS.com/nature to find a dealer near you.

Subscribe to the podcast at Apple Podcasts, Stitcher, and Google Podcasts, and please leave a rating or a review if you are so inclined! We appreciate it!