What are keystone species and why are they important? - National Environmental Treasure

A keystone species is a plant, animal, fungi, or even bacteria that has a disproportionately large impact on their ecosystem.

Keystone species are organisms that are ecologically crucial for their native ecosystem. Here's some artworks about them (+1 bonus animal) made by Jeroen Helmer for Rewilding Europe : r/megafaunarewilding

Keystone species

How grasslands became North America's forgotten ecosystem

The Importance Of National Parks – Mother Earth News

Marine Mammal Highlights: How Marine Mammals Help Other Species, Part II – Pacific Mammal Research (PacMam)

Keystone Species 101

Protecting Our Planet's Keystone Species - Arbor Day Blog

Defenders of Wildlife, Nonprofit organization

Keystone Species

Why Tiger only — Altruistic animal world as a benefactor to a better biome, by Anurag

What are Keystone species? Different types of keystone Species with examples

Saving Endangered Keystone Species: Key to Ecosystem Restoration

Role of Keystone Species in an Ecosystem

Keystone species, facts and photos

Discovering Keystone Species