TABLE 1 . Primary Breed/Breed Type Identity Most Commonly Assigned by UK and U.S. Participants.

Picture Number	Primary Breed/Breed Type (United Kingdom)	Primary Breed/Breed Type (United States)	% of Participants Who Listed Breed as Primary		% of Participants Who Listed Dog as Mixed Breed
			United Kingdom	United States	United Kingdom	United States
1	Akita	Akita	98	87	13	34
2	American Bulldog	American Bulldog	43	52	76	63
3	French Bulldog	Boston Terrier	77	51	38	45
4	Boxer	Boxer	100	100	15	23
5	Staff. Bull Terrier	Pit Bull	78	60	94	82
6	German Shepherd	Shepherd	28	33	96	92
7	Bull Terrier	Bull Terrier	74	72	94	89
8	English Bulldog a	English Bulldog	59	76	2	5
9	Staff. Bull Terrier	Pit Bull	57	67	91	89
10	Patterdale	Terrier	69	42	33	87
11	Staff. Bull Terrier	Pit Bull	94	39	32	74
12	Labrador	Labrador	85	92	83	86
13	Mix	Shepherd	37	55	98	98
14	American Bulldog	American Bulldog	39	34	87	85
15	Pit Bull b	Pit Bull	43	74	85	84
16	Mastiff	Mastiff	48	61	100	90
17	Staff. Bull Terrier	Pit Bull	94	61	59	81
18	Staff. Bull Terrier	Pit Bull	50	43	93	95
19	Rottweiler	Rottweiler	98	96	44	77
20	Staff. Bull Terrier	Pit Bull	85	72	78	83

Note. The percentage of participants who selected the response is provided, as is the percentage of participants who deemed the dog to be a mixed breed.

^aFor Dog 8, the percentages reflect UK and U.S. participants who explicitly stated English bulldog. The percentage increases to 98% (United Kingdom) and 97% (United States) after combining those who listed either English bulldog or bulldog as the primary breed.

^bFor Dog 15, 43% of UK participants listed pit bull as the primary breed, and 42% listed Staffordshire bull terrier (Staff.).