The most interesting species observed on regular weekly bird monitoring in Škocjanski zatok Nature Reserve on December 19, 2013 :
- Gadwall (Anas strepera): 3 ind (Bonifika, 2nd observatory)
- Eurasian Wigeon (Anas penelope): 106 ind. (Lagoon)
- Pintail (Anas acuta): 1 ind. – femail (Bonifika, 2nd obser.)