In the hours after hatching, a duckling may begin to follow something that moves. How does it learn to recognise its mother?
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In domestic ducks, that bond forms during a sensitive period soon after hatching. This learning process is called filial imprinting. The mother is usually the first moving being the duckling sees, and it learns to follow her.
But if its mother and siblings are absent, a duckling can also become attached to a person, another animal or even a moving ball. In one study, imprinting was most effective between 13 and 40 hours after hatching, a window that can vary with the conditions.
Following matters to a young duck. It can leave the nest within two days, but still relies on its mother for warmth, protection and guidance towards food.
