Dear Christian, Thank you for your e-mail, photos and info. Yes it’s the fuligula E1red and the data are: Aythya fuligula E1red – L68633, F 5(juvenile), 785g, 205mm – marked at S. Jacinto Nature Reserve (40º40’N 08º45’W – 1084km from your resighting place) on 21-01-06 and seen on place until 24-02-06, and never seen again.