Wildlife

2 articles

A diverse coral reef ecosystem with a central sea star, illustrating the concept of a keystone species and its importance to marine biodiversity.

Life Sciences

What Are Keystone Species and Why Do They Matter for Ecosystems?

On Tatoosh Island, a tidal plain witnessed a drastic collapse.

Dr. Elena Ortiz·September 13, 2026

A vulnerable koala perched on a eucalyptus branch, its expression conveying the challenges of population decline and genetic fragility in its species.

Life Sciences

What is the koala population decline genomic study's finding?

The koala population in Victoria once dwindled to a mere 102 individuals, a genetic bottleneck so severe it echoes through their modern DNA, according to Science .

Dr. Elena Ortiz·June 9, 2026