On 29 June 2021, Wetlands International launched the Waterbird Populations Portal (WPP), an online interactive platform containing the most recent data on the status and distribution of the world’s waterbird populations...The open-access Portal provides the latest size estimates and trends for over 2,500 populations of 870 waterbird species and presents the latest 1% threshold of each population. The 1% threshold has been used to select 867 Ramsar Sites representing over 35% of total sites listed world wide to date...
