Conservationists provide a lifeline for malnourished birds.
Software shows how pattern recognition could thwart nest invaders.
Birds in contaminated zone are healthier than expected.
Linking habitats helps seeds spread.
Erratic southern invaders repel rivals with acid.
Scientists identify thousands of new species.
A new study of the world’s only venomous primate.
Earlier Arctic plant growth is too early for migrating caribou.
Dung beetles reduce harmful methane emissions in cow droppings.
Madagascar's biodiversity boom ended long ago.