When Birds of a Feather Poop Together | Newswise: News for Journalists

Credit: Young Pil Choi.

A cormorant grabs its lunch from the lake. A single cormorant can defecate approximately 4 g of nitrogen and 2.5 g of phosphorus daily.

Credit: Tae Kwon Lee.

Cormorant droppings cover vegetation at Guabook Islet in the Maji Agricultural Reservoir located in Wonju, South Korea.

Credit: Wonju Today.

The small islet in the reservoir is home to many cormorants. Researchers investigated the impact of the cormorants’ feces on water quality.