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Fig. 7. Glide index (horizontal distance/vertical distance) for ants landing on
each colored sheet presented individually. Bk, black; Dk, dark gray; Gy, gray;
Wh, white; Yl, yellow; Rd, red; Bu, blue; Gr, green. Values are means
±95% C.I.; number pairs indicate the number landing on each sheet out
of the total number dropped (i.e. the first in each pair is the sample size
for the plotted mean).