Rallus a. hibernans (Icelandic Water Rail)

[Melanie]

Water Rails were once part of the Iceland breeding bird fauna. Became extinct around 1963-1970.The last nest was recorded in 1963. Loss of habitat through the draining of wetlands and introduced american mink.

www.flickr.com/photos/kjoinn1/33282666790

[Melanie]

Seems that this subspecies was rediscovered in 2012

www.flickr.com/photos/raudkollur/6641629233

though HBW alive still state that is possibly extinct

R. a. hibernans Salomonsen, 1930 – Iceland (possibly extinct).

[Melanie]

This page state that Water rails observed on Iceland in recent times might be migrants from Scandinavia

notendur.hi.is/yannk/status_ralaqu.html