Guano
EXCREMENT OF SEABIRDS, CAVE-DWELLING BATS, PINNIPEDS, OR (IN ENGLISH USAGE) BIRDS MORE GENERALLY
Batshit; Bat guano; Bird droppings; Bat shit; Phosphate rock island; Bat paste; Bat poop; Bat Shit; Bat poo; Bird shit; Seal shit; Seabird shit; Bat droppings; Bat Guano; Birdshit; Bird Shit
Guano (Spanish from ) is the accumulated excrement of seabirds and bats. As a manure, guano is a highly effective fertilizer due to its exceptionally high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant growth.