The Wadden Sea World Heritage site is being affected by climate change. The extent, however, is as yet unclear.

The coordinated work of 36 countries from the Arctic to Southern Africa will enable understanding of migratory waterbirds status for better conservation.

The Expert Group Seals (EG-Seals) of the Trilateral Wadden Sea Cooperation estimates a total of 40,800 harbour seals in their newly published 2019 harbour seal report.

On 24-26 September 2019, scientists, managers, policy makers, NGOs and other stakeholders explored opportunities for cooperation and protection of migrating fish.

The recently published brochure "Wadden Sea Flyway Initiative: Linking the Wadden Sea World Heritage Site with tropical wetlands and the Arctic tundra" gives an overview about results of the flyway monitoring within the Wadden Sea Flyway Initiative.

In 2018-2019, 6,538 individuals were counted in the Danish-Dutch-German Wadden Sea and Helgoland.