Key leopard population 'crashing', study warns

The leopard population in a region of South Africa once thick with the big cats is crashing, and could be wiped out within a few years, scientists warned on Wednesday.

Beyond milkweed: Monarchs face habitat, nectar threats

In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...

Micro-sensors stuck to honey bees to help solve mass deaths

Australian scientists revealed on Tuesday they are using micro-sensors attached to honey bees as part of a global push to understand the key factors driving a worldwide population decline of the pollinators.

page 4 from 20