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 island's distinctive white colour comes from bird droppings - also known as guano - which coat the surface and give it a distinctive smell.

From BBC ● Jun. 9, 2026

"Our work extends the known geographic extent of guano fertilization, echoing recent findings in northern Chile, and suggests soil management began at least around 800 years ago in Peru."

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

These bats were insect eaters, and the guano was an ooze of digested insects.

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

The quantity of guanos of all kinds imported into this country and retained for home consumption now exceeds 240,000 tons a year.

From Elements of Agricultural Chemistry by Anderson, Thomas

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 Melville, Herman

Despite these facts, pigeon dung is by no means a rich manure, and its composition compares most unfavourably with that of the guanos we have just been considering.

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

The Saldanha Bay, and other similar deposits, have been exhausted, and few guanos of equally good quality have been lately discovered.

From Elements of Agricultural Chemistry by Anderson, Thomas