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Using claws to compare reproduction, stress and diet of female bearded and ringed seals in the Bering and Chukchi seas, Alaska, between 1953–1968 and 1998–2014

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We investigate the relationship among reproduction, stress and diet in bearded and ringed seals by measuring hormones and stable isotopes stored in claws. As a result, we calculated pregnancy rate… Click to show full abstract

We investigate the relationship among reproduction, stress and diet in bearded and ringed seals by measuring hormones and stable isotopes stored in claws. As a result, we calculated pregnancy rate of individual females and found that ringed seals seem able to adjust well to changes in diet, unlike bearded seals.

Keywords: bearded ringed; ringed seals; stress diet; reproduction stress

Journal Title: Conservation Physiology
Year Published: 2021

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