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Caitlin Marsteller stands on top of Duck Island

Detailed Description

Caitlin Marsteller stands on top of Duck Island, on the west side of lower Cook Inlet, after collecting time lapse cameras. Duck island is home to a breeding colony of Common Murres where time lapse cameras collect data, such as the number of eggs laid and the number of chicks hatched, to help estimate breeding productivity. Common Murres at this colony, as well as others in the Gulf of Alaska, have experienced multi-year reproductive failures following the 2014-2016 northeast Pacific marine heatwave.


Public Domain.

Photographer: Sarah Schoen, U.S. Geological Survey

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