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exists and is an alternate of . The correct term is Guano. It is the feces and urine of seabirds, cave-dwelling bats, and seals. Guano manure is a highly effective fertilizer due to its high phosphorus and nitrogen content and its relative lack of odor compared to other forms of organic fertilizer such as horse manure.
Bat droppings: Bats defecate before entering buildings and places where they roost. In buildings where there is an attic roost or a roost in a wall, an accumulation of droppings may fall through cracks and stain ceilings and walls.