Add Yahoo as a preferred source to see more of our stories on Google. It’s dusk in Hong Kong Park. Taxis screech past on the road outside, the shuffling footfall of commuters meandering home as the ...

Many can name a panda or a pangolin, but the yellow-crested cockatoo barely gets a nod. That’s wild, considering this little parrot has a built-in mohawk and enough personality to fill a room. But ...

Ecologists have made valuable discoveries that could transform the conservation of two iconic cockatoo species: the Sulphur-crested cockatoos and the critically endangered Yellow-crested cockatoos -- ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, ...

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 ...

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 ...