Table 2.

Historical passerine mortality incidents for which the post-mortem examination results fitted our definition of ‘finch trichomonosis’ or of ‘suspected finch trichomonosis’ (see text).

date	location	species affected, no. found dead (no. seen sick)	number examined post-mortem	summary of findings (no. birds in which these were detected)
February 1993	Oxfordshire	greenfinch, multiple (0)	3	crop lesions (3)
		collared dove, 0 (multiple)		flagellated protozoa observed on wet preparation (1)
December 1995	Suffolk	greenfinch, 4 (multiple)	1	diffuse crop wall thickening, predator injuries
January 1996	Suffolk	greenfinch, 2 (unknown)	2	diffuse crop wall thickening (2)
June 1996	Lincolnshire	greenfinch, 20 (unknown) chaffinch, 1 (unknown)	3	pale cream-coloured coalescing foci widespread in crop mucosa(1)
				crop wall thickening (2)
May 2000	Gloucestershire	greenfinch, 1 (unknown)	1	multiple firm caseous lesions (1–3 mm diameter) in crop and pharyngeal mucosa
September 2002	Wiltshire	greenfinch, 1 (unknown)chaffinch, 1 (unknown)	2	crop wall thickened with longitudinal dull yellow-coloured lesions (1)
				large firm caseous white/cream-coloured lesion obstructing crop (1)