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Fig. 1. Tongue aiming ability was quantified by having individuals of
Phrynomantis bifasciatus aim into five quadrants: (A) left
–46° to –105°, (B) left –6° to –45°,
(C) 0° to 5° to either side, (D) right 6° to 45°, (E) right
46° to 105°. The quadrant is essentially a bib, with the midline of
the head designating 0°. As the head of the animal turns, the quadrant
follows this movement so that a line drawn down the midline of the head would
always be located at 0°.
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