Ron Colson: Essex Life List BOU, All records: Top Blockers Record(s) 1 to 18 of 18 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Mallard	Anas platyrhynchos	59	89.39	
2	Collared Dove	Streptopelia decaocto	58	87.88	
3	Black-headed Gull	Chroicocephalus ridibundus	59	89.39	
4	Sparrowhawk	Accipiter nisus	57	86.36	
5	Buzzard	Buteo buteo	55	83.33	
6	Jackdaw	Coloeus monedula	56	84.85	
7	Carrion Crow	Corvus corone	59	89.39	
8	Blue Tit	Cyanistes caeruleus	58	87.88	
9	Long-tailed Tit	Aegithalos caudatus	58	87.88	
10	Wren	Troglodytes troglodytes	57	86.36	
11	Starling	Sturnus vulgaris	60	90.91	
12	Blackbird	Turdus merula	59	89.39	
13	Robin	Erithacus rubecula	58	87.88	
14	House Sparrow	Passer domesticus	58	87.88	
15	Dunnock	Prunella modularis	58	87.88	
16	Chaffinch	Fringilla coelebs	59	89.39	
17	Greenfinch	Chloris chloris	59	89.39	
18	Goldfinch	Carduelis carduelis	59	89.39