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Fig. 2. Antibody titers before and after (repeated) vaccination with (A) diphtheria
and (B) tetanus toxoids in five shorebird species tested within a month of
capture. For the ruddy turnstone, the darker box represents the additional
experiment where birds were tested 5 months after capture. The ruff, the only
freshwater specialist, is indicated by a white box. The boxes enclose the 25%
quartiles around the medium (horizontal line); the whiskers indicate the range
of observed values that fall within a 1.5 spread of the interquartile range;
and the asterisks represent observed values that fall outside that spread.