EnvironmentThe elusive New Britain Goshawk was photographed in the New Guinea rainforest.

EnvironmentIf the trend continues, more species are in danger of disappearing, says Aleksi Lehikoinen, one of Finland's leading bird researchers.

EnvironmentWhy hundreds of bird species have shrunk in recent decades is "one of the great mysteries of our time", scientists say.

EnvironmentTo "create a more inclusive environment for birdwatchers".