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Assessment of fecal steroid and thyroid hormone metabolites in eastern North Pacific gray whales

Creator:

Lemos, Leila S., Olsen, Amy, Smith, Angela, Chandler, Todd E., Larson, Shawn, Hunt, Kathleen, and Torres, Leigh G.

Abstract:

Baleen whale fecal samples have high potential for endocrine monitoring, which can be used as a non-invasive tool to identify the physiological response to disturbance events and describe population health and vital rates. In this study, we used commercial enzyme-linked immunosorbent assays to validate and quantify fecal steroid (progestins, androgens...

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; Accepted 3 December 2020 Cite as: Lemos LS, Olsen A, Smith A, Chandler TA, Larson A, Hunt K, Torres LG
Intra‐ and inter‐annual variation in gray whale body condition on a foraging ground

Creator:

Soledade Lemos, Leila, Burnett, Jonathan D., Chandler, Todd E., Sumich, James L., and Torres, Leigh G.

Abstract:

Baleen whales store energy gained on foraging grounds to support reproduction and other metabolic needs while fasting for long periods during migration. Whale body condition can be used to monitor foraging success, and thus better understand and anticipate individual‐ and population‐level trends in reproduction and survival. We assessed the body...

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(Christiansen et al. 2016, Smith et al. 2016, Burnett et al. 2018) than previously attainable. We implement the