Chilean officials turn to an unlikely ally - owls - to fight a virus that has already killed 15 people.
The canine brain reacts to voices in the same way that the human brain does - especially when they hear emotionally charged sounds, a study suggests.
A baby loggerhead turtle washed ashore during the recent storms is "extremely fortunate" to be alive, experts say.
Diseases harboured by honeybees are spilling over into wild bumblebees, a study suggests.
Countryside butterfly numbers boosted by warm summer.
Britain's butterflies thrive as a result of last summer's sunshine and warmer temperatures.
The UK's farmland butterflies have flourished thanks to last year's hot summer, according to the charity Butterfly Conservation.
A monkey's brain has been used to control the movements of a sedated monkey, scientists report, raising hope for advances in overcoming paralysis.
A West African giraffe - said to be one of the rarest animals on the planet - is born at a Cumbrian wildlife park.
Test your knowledge of some of the animal kingdom's most bizarre bones
The city of Chicago is considering drastic measures that could cost up to $18bn (£11bn) to prevent Asian carp infesting North America's Great Lakes.
Waves of carnivorous starfish are eating their way through Australia's Great Barrier Reef - and sugar cane farming is being blamed.
Scientists say the fact that Arctic Beluga whales now carry the cat parasite Toxoplasma gondii is a reflection of the significant recent rise in temperatures in the region.
Scientists say that tuna swimming in the Gulf of Mexico during the Deepwater Horizon oil spill may have experienced heart damage.
The leaders of four African nations have pledged to honour a 10-year moratorium on sales of ivory.
A rare fossil reveals how marine reptiles evolved to give birth to live young, say scientists.
Images from the International Garden Photographer of the Year 2014
High-resolution satellite imagery is used to automatically count southern right whales swimming off Argentina's coast – a development that could greatly assist the animals’ conservation.
Brazil says it will present concrete plans to save the three-banded armadillo, the mascot of the football World Cup, by the end of the year.
A dataset, described as the largest of it kind, assesses the impact of urbanisation on biodiversity levels around the globe.