Bird Droppings (Avian Excrement)

Global, commonly found on surfaces near bird perching or nesting sites

N/A (Metabolic waste containing uric acid, urea, and fecal matter)

Deposited via cloaca from birds; appearance varies based on the specific bird species' recent diet

Can carry pathogens like Histoplasma or Cryptococcus; highly acidic and can damage paint or stone surfaces