Common eiders are the largest duck in the Northern Hemisphere, with some tipping the scales at nearly 6 pounds. They are also the most widely distributed and heavily harvested sea duck in the world. In North America alone, there are 4 subspecies of the common eider. On this episode, Dr. Sarah Gutowsky and Kate Martin join Dr. Mike Brasher for Part One of our in depth discussion about this highly prized bird. This episode covers all the basics, including how to identify them, where they breed and winter, what their nests look like, and what we’ve learned from recent research about their ecology and unexpected shenanigans during the nesting season. Tune in for a wealth of information as we lay the foundation for even more discussions to come.

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