10 year-old Border Terrier dog, Jess, sitting in the sunshine in a country garden, England

1 dog ageing border terrier bitch companion pet cuteness dog face england female dog gray hair graying great britain grey hair greying hair hound limbs man's best friend mans best friend mature dog medium breed medium size dog muzzle obedience obedient patience pedigree dog pets senior dog senses sensing small breed small dog united kingdom animal face animals canine canis lupus familiaris chilling out companion pets content contented cute daytime dogs ears eyes full length full length fur grass horizontal legs mouth noses nostrils one dog outdoors outside relaxed relaxing resting sitting sniff snout stock image stock photo stock photograph sunbathing take a break taking a break waiting one animal one animal animal themes color image color colour nature natural world uk property released