Tiny traceable backpacks are being attached to cuckoos to find out where they go, and why their numbers may be declining.

The massive Great Indian bustard is now Critically Endangered, according to this year's Red List of rare birds.

The government publishes proposals aimed at curbing loss of nature across England and strengthening links between people and the wild.

The EU health commissioner says the E. coli outbreak that has killed 22 is limited geographically and does not need Europe-wide controls.

Japan doubles its estimate of leaked radiation from the Fukushima nuclear plant in the first week after the disaster, as a new inquiry begins into the crisis.

Scientists in Cornwall say they have spotted one of the largest fin whale gatherings ever sighted in British waters.

The world's forests are better managed now than five years ago - but still the majority lack protection, a report concludes.

An Oriental plane the size of a football pitch in Wiltshire is identified as the "most spreading" tree in the UK.