SCIMAT / SCIENCE PHOTO LIBRARY SCIMAT / SCIENCE PHOTO LIBRARY
Crow's droppings on a bungalow window indicate that crows defecate in air during flight. As the droppings splattered on the glass, they flowed downwards. Some corpuscular grey material is positioned off centre and is surrounded by white material which appeared to be soluble in water. The disc is approx. This is a view from a room through the soiled window into a garden. Crows are an urban nuisance with their habit to roost all together from a wide area and to contaminate sidewalks, cars, roofs, and, as evident, even home windows with their droppings, thus causing unsanitary conditions because of bacteria present in the droppings.
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