JEB -- Kuhn and Costa 209 (22): 4524 Figure IG4

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Fig. 4. Relationship between mass consumed and area above the curve created by the decline in stomach temperature, adjusted for temperature difference between animals' core body temperature and fish ( ${Delta}$ T). The regression lines for both species are not significantly different (northern elephant seals: ${surd}$ area/ ${Delta}$ T=0.52xquantity+2.9; California sea lions: ${surd}$ area/ ${Delta}$ T=0.41xquantity+3.1). Black circles denote mean values for each individual northern elephant seal (N=10), grey circles represent the mean values for individual California sea lions (N=13).