Dictionary.com
Thesaurus.com

ecological niche

American  

noun

Ecology.
  1. the position or function of an organism in a community of plants and animals.


ecological niche Cultural  
  1. The place or function of a given organism within its ecosystem.


Discover More

Different organisms may compete for the same niche. For example, in a forest there may be a niche for an organism that can fly and eat nectar from blossoms. This niche may be filled by some sort of bird, or an insect, or even a mammal such as a bat.

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.

See Examples For:

And competition with an extremely flexible generalist in almost every ecological niche may be what contributed to the extinction of all other Homo species.

From Science Daily Apr. 17, 2024

"A free-roaming cat is not filling an ecological niche, or reverting to its ancestral form. It is merely a run-away pet that needs to be brought back inside."

From Salon Nov. 26, 2023

Hopefully some possible futures include an ecological niche for humans.

From Scientific American Nov. 7, 2023

In some areas, species have had tens of millions of years to migrate and specialize, “filling each ecological niche completely.”

From National Geographic Oct. 13, 2023

The Earth then was full of awesome, nightmarish lizards—the dinosaurs, immensely successful creatures, which filled virtually every ecological niche.

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training