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Differential mobilization of blubber fatty acids in lactating Weddell seals: evidence for selective use. Physiological and Biochemical Zoology, 2008 (Ref: 13850)
Category 1: Peer-reviewed literature

A major source of energy during lactation in mammals is provided … through the mobilization of blubber fatty acids (FAs).

Blood fatty acids indicate inter- and intra-annual variation in the diet of Adélie penguins: Comparison with stomach content and stable isotope analysis Journal of Experimental Marine Biology and Ecology, 2008 (Ref: 13745)
Category 1: Peer-reviewed literature

Adélie penguin (Pygoscelis adeliae) diet is an important indicator of prevailing environmental conditions and … resource availability. In this study, dietary variation within and between years was studied with fatty acid … signature analysis (FASA), stomach content analysis (SCA)…

Vocal individuality of in-air Weddell sea (Leptonychotes Weddellii) pup "primary" calls Marine Mammal Science, 2006 (Ref: 12873)
Category 1: Peer-reviewed literature

As a result of selective pressures faced during lactation, vocal recognition may … play a crucial role in maintaining the phocid mother–pup bond during the period … of dependence. To investigate this possibility, we examined whether Weddell seal … (Leptonychotes weddellii)…

Individual variation of in-air female "pup contact" calls in Weddell seals, Leptonychotes weddellii. Behaviour, 2005 (Ref: 12022)
Category 1: Peer-reviewed literature

Vocal recognition may function as a critical factor in maintaining the phocid mother-pup bond during lactation. For vocal recognition to function, the caller must produce individually distinct calls that are recognised by their intended recipient.

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