The State of the World’s Birds

Recently, 'The State of the World’s Birds', an annual review of environmental resources was published.

• The study reviewed changes in avian biodiversity using data from the International Union for Conservation of Nature’s Red List to reveal the changes in fortunes of all the global bird species.

Key Findings

• Almost half of the 10,994 recognised extant species of birds are threatened owing to the expanding human footprint on the natural world and climate change.
• 5,245 or about 48% of the existing bird species worldwide were known or suspected to be undergoing population decline.
• While 4,295 or 39% of the species had stable trends, about ....