Western marsh harrier / Rohrweihe (Circus aeruginosus)

MerlinBirdID meint Rohrweihe. 2022-05-21 16.00.56 Leuk and surroundings
Classification: Genus Harriers (Circus); Subfamily True hawks (Accipitrinae); Family Accipitridae
General: The western marsh harrier (Circus aeruginosus) is a large harrier, a bird of prey from temperate and subtropical western Eurasia and adjacent Africa. It is also known as the Eurasian marsh harrier. The genus name Circus is derived from the Ancient Greek kirkos, referring to a bird of prey named for its circling flight (kirkos, "circle"), probably the hen harrier. The specific aeruginosus is Latin for "rusty".^[3] [more]
rohrweiher at albufera picture is fuzzy but shape is right and dark light mix on wings
Calls: Call: A sharp "kwii-uuu" of about a seconds length, rapidly ascending in pitch, and ending on a falling tone. [Link]
Physical details: length=48-56 cm, wingspan=115-130 cm, weight=405-800 g
Habitats: Agricultural

First documented observation : 2022-05-21 in Leuk and surroundings.