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

The results strongly suggest the crops were fertilized with seabird guano, which is rich in nitrogen because seabirds feed on marine life.

From Science Daily ● Mar. 7, 2026

The latter elements suggest the hearth was intentionally sealed with a mixture of guano and sand, which can protect plant materials within the hearth from catching fire—conditions needed to create tar.

From Science Magazine ● Nov. 22, 2024

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

From Los Angeles Times ● Oct. 31, 2024

Also, letting me go would free him to play with guano all day.

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

In long lines, as on Denderah's architraves, were bas-reliefs of beetles, turtles, ant-eaters, armadilloes, guanos, serpents, tongueless crocodiles:—a long procession, frosted and crystalized in stone, and silvered by the moon.

From Mardi: and A Voyage Thither, Vol. II by Herman Melville

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

There are, as we shall immediately see, certain kinds of guano, known as phosphatic guanos, which only contain phosphates.

From Manures and the principles of manuring by Charles Morton Aikman

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 Charles Morton Aikman