guano

Their collective body heat raises the cave’s temperature to a sweltering 106°F, and the piles of guano beneath them are deep enough to bury the Statue of Liberty to her waist.

From The Wall Street Journal ● Jun. 19, 2026

"Seabird guano may seem trivial, yet our study suggests this potent resource could have significantly contributed to sociopolitical and economic change in the Peruvian Andes," Dr. Bongers said.

From Science Daily ● Mar. 7, 2026

Their guano, or dung, can also be used as fertilizer.

From Los Angeles Times ● Oct. 31, 2024

Researchers have discovered a new avenue by which viruses may spread from bats to other mammals: in bat guano eaten by chimpanzees and other animals.

From Science Magazine ● Apr. 24, 2024

“Fascinating,” he muttered, scraping at some petrified guano with the stubby end of his pen.

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

It has been estimated that Texas guanos alone consume 6,600 tons of insects each year.

From Time Magazine Archive

Where the difference in value between different samples is required, a complete analysis is necessary, and this is indispensable in the case of the inferior guanos.

From Elements of Agricultural Chemistry by Anderson, Thomas

Damp guanos contain more of their nitrogen as ammonia than dry ones, this being due to the fermentation which goes on in the former.

From Manures and the principles of manuring by Aikman, Charles Morton

Ammonia and phosphates, soluble and insoluble, are costly; and by far the larger part of the value of all guanos, and the common manufactured manures, depends on them.

From Elements of Agricultural Chemistry by Anderson, Thomas

As examples of these "crust" guanos may be mentioned Sombrero, Curaçao, Aruba, Mexico, and Navassa phosphates.

From Manures and the principles of manuring by Aikman, Charles Morton