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We are the EDGE of Existence Programme at ZSL

We ignite a global movement to recognise and protect Earth’s most unique, extraordinary, and overlooked species. We envision a world where these species thrive, supported by a global network of diverse conservation leaders spearheading sustainable conservation that delivers equity and justice.

Species on the
EDGE

Shoebill

EDGE Bird

WHY EDGE SPECIES

Unique in the way they look, live, and behave, when they are gone there will be nothing like them left on earth.

WHAT WE DO

We catalyse conservation action by supporting EDGE Fellows working on species in countries around the world

WHAT YOU CAN DO

Help us prevent the extinction of EDGE species by donating to our conservation work, raising funds, or volunteering

Stories

29.10.2025

Conservation starts with listening

Hey there, it’s me, Julio, the EDGE Fellow known as the Lemur guy! In this blog, I will share my experience with the local...

25.09.2025

Nature – Conservation’s Greatest Teacher

I beg your pardon, dear reader, for beginning with some personal context before delving into the subject of my project. My name is Gabriel...

27.08.2025

The silent struggle in the Western Usambara Mountains

Did you know that hidden within the Western Usambara Mountains in Tanzania is a rare and extraordinary tree species, Podocarpus henkelii, commonly ...

14.07.2025

Field notes from Kanchanaburi

Recounting a month spent in the Chaloem Rattanakosin National Park. Written by John Altomonte and originally posted on his blog, Plant Visions I ...