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The extra burden of motherhood: reduced dive duration associated with pregnancy status in a deep-diving mammal, the northern elephant seal

The cost of pregnancy is hard to study in marine mammals, particularly in species that undergo pregnancy while diving continuously at sea such as elephant seals (genus Mirounga). We analysed the diving behaviour of confirmed pregnant and non-pregnant northern elephant seals (M. angustirostris, n = 1...

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Veröffentlicht in:Biol Lett
Hauptverfasser: Hückstädt, Luis A., Holser, Rachel R., Tift, Michael S., Costa, Daniel P.
Format: Artigo
Sprache:Inglês
Veröffentlicht: The Royal Society 2018
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Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC5830665/
https://ncbi.nlm.nih.gov/pubmed/29445044
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2017.0722
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