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Fig. 5. Allometry of the oxygen diffusing capacity of the bloodgas tissue
barrier (DtO2) of 12 Australian pelicans during
post-hatching growth (filled circles), excluding one adult bird (open circle).
Data from 26 species of adult birds (triangles) are from Maina et al.
(1989). Regression equations:
pelicans DtO2=0.0087M1.23
(r2=0.95); adult birds
DtO2=1.44M0.79
(r2=0.87).