New answers tagged vision
The forward thrusting movement so peculiar of pigeons and other fowl (Fig. 1) while walking is thought to be related to shifting the visual field. The less visible backward motion of the head is thought to be related to fixating the field of view (Dunlap & Mowler (1931). According to the meticulous observational study by Dunlap & Mowler (1931), ...
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