When a bird is raised by humans from a very young age, it runs the risk of imprint: recognizing the human as its mother or its species. This causes the animal to lose its natural behaviors and cannot survive being released, because:
It becomes dependent on humans for food.
He loses a natural fear of people, which makes him more vulnerable.
He doesn't learn how to properly interact with other crows.
To avoid this, rehabilitators use realistic masks (like the crow in the photo) or indirect feeding techniques, so the bird does not relate the food to a human.
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