Ruff, Calidris pugnax - foto: Harvey van Diek

Ruff

Calidris pugnax - Kemphaan
Red list
Critically endangered
Breeding population
10-30 (2018-2020)
Estimated winter maximum
770-1600 (2016-2021)
Estimated migration maximum
8200-16.400, apr (2016-2021)
Ramsar 1%
42400