nature takes its course. Although the spring migration has not yet erupted, more and more species are returning from their wintering area. All native swallow species have since been seen. The well-known breeding colonies of Sandwich Terns are already occupied by hundreds of birds. Willow Warblers and a single Blackcap carefully sing their song. And as always less common species are seen such as White-tailed Eagle, Red and Black Kite, Glaucous and Iceland Gull, Hoopoe, Great Gray Shrike, Kentish Plover, Hooded Crow and Iberian Chiffchaff.