sentinel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"When you only have a handful of species that can persist in environments like that, and they're really sensitive to change, those serve as really good sentinel taxa," Adams said.

From Science Daily • Jan. 10, 2026

The mean rescue sentinel did not think so.

From Salon • Dec. 6, 2024

The church stood empty like a silent sentinel over a small cemetery next to it.

From Slate • Oct. 24, 2024

“This is a sentinel species,” Pozo said, referring to the canary-in-a-coal mine effect where one species can say a lot about an ecosystem.

From Seattle Times • May 21, 2024

All of the sentinel animals remained healthy, and the blood and tissue samples from the other animals, insects, birds, Masai people, and their cattle showed no signs of Marburg virus.

From "The Hot Zone" by Richard Preston