Crows are a common urban pest found in many cities throughout the world. These birds are known for their intelligence, adaptability, and loud vocalizations. While they are not typically harmful to humans, they can cause damage and create unsanitary conditions when they roost and nest in or on buildings. 

While crows are not typically harmful to humans, they can cause damage and create unsanitary conditions when they roost and nest in or on buildings. Crows can damage roofs, gutters, and other building materials, and their droppings can create unsightly and unpleasant conditions. In addition, their vocalizations can be loud and disruptive.