Table 3.

Details of mortality incidents and gross post-mortem examination findings in C. psittaci-positive birds

Case no.	Species and signalment	Details of mortality incident			Body condition, [bodyweight (g)] and gross findings on post-mortem examination
		Date and location	Species affected: no. birds found dead (no. seen sick) (and total no. affected individuals)	Clinical signs (if sick birds were observed) and/or perceived cause of death (reported by members of the public)
1	Blue tit Adult	Oct 2005 Wiltshire, England	Blue tit 1 (0)	None reported	Normal (11.1) Suspected hepatomegaly
2	Dunnock Adult male	Jan–Feb 2006 East Sussex, England	Dunnock 2 (1) (2 individuals)	One individual was fluffed up prior to death	Emaciated (17.4) Suspected splenomegaly
3	Dunnock Adult	Sep 2006–Jan 2007 Staffordshire, England	Dunnock 1 (1) (1 individual)	Dunnock was fluffed up and lethargic prior to death	Thin (17.0) Hepatomegaly. Necrotic ingluvitis
			Greenfinch 6 (some)	Some greenfinches were fluffed up and unable to fly
			Chaffinch 14 (some)	None reported
			House sparrow 2 (0)	None reported
4	Dunnock Adult female	Feb 2007 Northamptonshire, England	Dunnock 1 (0)	Suspected window strike	Emaciated (13.4) Suspected splenomegaly
5	Great tit Adult female	Apr 2007 Wrexham, Wales	Great tit 1 (0)	None reported	Thin (14.1) Penetrating wound, rib fractures and fibrinous serositis
6	Great tit Adult	Sep–Oct 2007 East Sussex, England	Great tit 1 (0) Greenfinch 0 (1)	Great tit was predated by a cat Greenfinch was fluffed up and lethargic	Normal (20.5) Splenomegaly. Pedunculated skin lesions on wing. Puncture wound
7	Great tit Adult	Jul–Sep 2007 Surrey, England	Great tit 3 (3) (≥4 individuals) Blue tit 5 (0)	Multiple individuals had skin growths, particularly on face and wing. Two of the dead great tits were euthanized	Normal (17.6) Splenomegaly. Facial skin lesions. Hemorrhage (euthanasia)
8	Great tit Adult male	Jul–Oct 2007 East Sussex, England	Great tit 2 (3) (3 individuals)	Two great tits were lethargic and one other was observed to have a skin growth on wing	Normal (16.9) Splenomegaly. Suspected hepatomegaly. Fibrinous serositis. Hemorrhagic, inflamed neck lesion
			Dunnock 1 (1) (1 individual)	Dunnock was fluffed up before death
9	Dunnock Adult	From the same mortality incident as Case 8 (see above)			Emaciated (15.9) Hepatomegaly and splenomegaly
10	Collared dove Adult female	Sep 2008 Essex, England	Collared dove 1 (1) (1 individual)	Found sick following cat predation and later died	Emaciated (108.5) Serositis, air sacculitis and pericarditis. Ingluvitis. Hepatomegaly
11	Dunnock Adult male	Nov 2008–Jan 2009 Powys, Wales	Dunnock 2 (2) (2 individuals) Robin 1 (1) (1 individual)	Dunnocks and robin were fluffed up and lethargic before death	Emaciated (15.7) Anorexia
			Greenfinch 0 (1)	None reported
12	Dunnock Adult male	Feb 2009 West Sussex, England	Blue tit 1 (0)	Blue tit was a possible window strike	Thin (19.2) Fractures with no associated hemorrhage
			Dunnock 3 (0)	One dunnock was a possible window strike
			Great tit 3 (0)	One great tit had avian pox (confirmed post-mortem)
			Robin 2 (0)	None reported
			Pheasant 1 (0)	None reported
13	Robin Nestling	Apr 2009 Surrey, England	Robin 3 (0)	All of a clutch of 3 nestlings found dead	Thin (11.0) Hepatic congestion
14	Blue tit Nestling	May 2009 Staffordshire, England	Blue tit 6 (0)	Six of a clutch of 7 nestlings died	Thin (5.3) Suspected hepatomegaly. Anorexia
15	Collared dove Juvenile	Jun 2009 Tyne and Wear, England	Collared dove 1 (1) (1 individual)	Fledgling, seen lethargic before death	Emaciated (104)
					Hepatomegaly, splenomegaly and serositis
16	Great tit Adult female	Feb 2010 Wiltshire, England	Great tit 1 (1) (1 individual)	Lethargic prior to death, with skin lesion on head	Thin (15.5) Large skin lesion on head. Suspected splenomegaly
17	Dunnock Adult male	Mar 2010 Kent, England	Dunnock 1 (1) (1 individual)	Dunnock was fluffed up and lethargic then predated by a cat	Thin (17.0) Wound, fracture and hemorrhage. Splenomegaly and suspected hepatomegaly. Numerous intestinal helminths
			Blue tit 0 (1)	Blue tit was observed to be “sick”
18	Great tit Adult female	Feb–Apr 2010 Surrey, England	Great tit 1 (5) (5 individuals)	Multiple great tits had fleshy skin growths, one died	Thin (13.7) Multiple skin lesions. Suspected splenomegaly. Numerous lice
19	Dunnock Adult male	Apr 2010 Hampshire, England	Dunnock 1 (1) (1 individual)	Fluffed up and lethargic, euthanized	Thin (17.0) Wounds, fractures and hemorrhage (euthanasia). Hepatomegaly and suspected splenomegaly
20	Great tit Adult female	Oct 2010 Surrey, England	Great tit 1 (0)	Skin lumps, cat predation	Normal (19.0) Multiple skin lesions. Fracture and hemorrhage. Splenomegaly
21	Blue tit Adult male	Mar–Apr 2011 Worcestershire, England	Blue tit 6 (≥9) Great tit 0 (≥2)	Sick blue tits and great tits were lethargic and some appeared to have dyspnea. Some appeared to have epiphora and/or blepharitis and/or blepharospasm. At least two sick blue tits were euthanized and some died	Thin (8.16) Pulmonary congestion. Anorexia