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Summary
Clark, R. A. 1979. Seasonal levels of body fat, protein, ash and moisture in the Sacred Ibis. Ostrich 50:129-133.
Sacred Ibises Threskiornis aethiopicus in Pretoria, Transvaal, were analyzed for body composition throughout the year. Body fat levels in adults and immatures were approximately 7% of feather-free empty body mass in the winter. Just prior to breeding the levels of fat were approximately 12% in adults and 6% in immatures. Lowest levels were recorded for adults and immatures in January (3,5%). In contrast to fat, levels of moisture, protein and ash did not appear to vary significantly between seasons.