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

The slime was bat guano, digested vegetable matter that had been excreted by a colony of fruit bats on the ceiling.

From "The Hot Zone" by Richard Preston

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

From Time Magazine Archive

In the old rich Peruvian guanos, as we have above shown, the nitrogen was more abundant than is the case at present.

From Manures and the principles of manuring by Charles Morton Aikman

Manures were found to be of increased value when mixed, and guanos were introduced.

From How to Get on in the World A Ladder to Practical Success by Major A.R. Calhoon

There is no doubt, however, that such guanos are very useful, and if obtained in large quantity, and of uniform composition, would be used to a much larger extent than they at present are.

From Elements of Agricultural Chemistry by Thomas Anderson

Such guanos, it was found, were best supplemented with phosphatic manure when applied to the field.

From Manures and the principles of manuring by Charles Morton Aikman