Table 1.

List of birds with USUV clinical infections

Order	Common name	Scientific name	Migration pattern		Countries with USUV RT-PCR positive animals	Ref
Passeriformes	Blackbird	Turdus merula	R,P		AT, CZ,FR,DE,HU,IT,NL,BE, CH	[32, 33, 44, 47–55]
	Common Starling	Sturnus vulgaris	R,P,S		DE, IT	[47, 49, 53, 55]
	Song Trush	Turdus philomelos	M		AT, DE, SP	[50, 55, 56]
	Canary	Serinus canaria domestica		Captive	DE	[49, 55]
	House sparrow	Passer domesticus	R		AT, DE, CH	[44, 48, 49, 53, 55]
	Blue (great) tit	Parus caeruleus (major)	R,P,M		AT, CH	[44, 48]
	European greenfinch	Chloris chloris	P		CH	[44]
	European robin	Erithacus rubecula	P		AT, CH	[44, 48]
	Bullfinch	Pyrrhula pyrrhula		Captive	BE	[57]
	Nuthatch	Sitta europaea	R		AT	[48]
	Eurasian Jay	Garrulus glandarius	R, P		HU,IT	[47, 53, 54]
	Magpie	Pica pica	R		IT	[52, 53]
	Barn Swallows	Hirundo rustica	M		AT	[42]
Strigiformes	Great Grey owl	Strix nebulosa		Captive	AT, DE, CH, FR, IT, NL	[33, 44, 48, 49, 55]
	Long-eared owl	Asio otus		Captive	DE,IT	[47, 55]
	Snowy owl	Bubo scandiacus		Captive	CH	[44]
	Tengmaml's owl	Aegolius funereus		Captive	CH, IT	[44]
	Hawk owl	Surnia ulala		Captive	CH, DE	[48, 55]
	Pygmy owl	Glaucidium passerinum		Captive	CH	[44]
Coraciiformes	Common Kingfisher	Alcedo atthis	R,P,M		DE	[49, 55]
	European Bee-eater	Merops apiaster	M		IT	[53]
Piciformes	Great spotted woodpecker	Dendrocopos major	R		BE	[14, 53]
	European Green Woodpecker	Picus viridis	R		DE, IT	[55]
Charadriiformes	Inca Tern	Larosterna inca		Captive	DE	[55]
	Yellow-legged gull	Larus michahellis	R		IT	[53]
Accipitriformes	Greater Spotted Eagle	Aquila clanga	M		IT	[53]
Caprimulgiformes	Nightjar	Caprimulgus europaeus	M		IT	[47]
Pelecaniformes	Grey Heron	Ardea cinerea	R, P		IT	[53]
Columbiformes	Collared Dove	Streptopelia decaocto	R		IT	[47, 53]
Galliformes	Red-legged Partridge	Alectoris rufa	R		IT	[47]

R, resident; P, partial; M, migratory; S, short distance.

Bird orders, common and scientific names and their behaviour (resident or migrating birds), as well as the countries having reported USUV positive RT-PCR animals are indicated.