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Fig. 3. Allometry of the surface area of the bloodgas tissue barrier
(St) 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 St=1.41M1.25
(r2=0.97); adult birds
St=60.2M0.86
(r2=0.94).