It’s a sound somewhere between a hoarse car alarm and a braying donkey. Barely visible through the foliage from ground level, the source of the racket sits in the upper branches of a decades-old ...

HONG KONG — Critically endangered yellow-crested cockatoos found an unexpected sanctuary among Hong Kong ’s towering skyscrapers, but like their human neighbors they now face trouble finding a place ...

Ecologists at the School of Biological Sciences of The University of Hong Kong (HKU) have made valuable discoveries that could transform the conservation of two iconic cockatoo species: the ...

“In the end, we will conserve only what we love; we will love only what we understand and we will understand only what we are taught.” ― Baba Dioum (1937 - current) A recent deep dive into the ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...