An adult Boxer dog at a public dog park surrounded by people he is not familiar with.
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Affenpinscher
Afghan Hound
Ainu Dog
Airedale Terrier
Akbash Dog
Akita Inu
Alano Español
Alapaha Blue Blood Bulldog
Alaskan Malamute
Alaskan Klee Kai
American Bandogge Mastiff
American Blue Gascon Hound
American Bulldog
American Cocker Spaniel
American Eskimo Dog
American Foxhound
American Hairless Terrier
American Indian Dog
American Lo-Sze Pugg (TM)
American Mastiff
American Mastiff (Panja)
American Pit Bull Terrier
American Staffordshire Terrier
American Water Spaniel
American White Shepherd
Anatolian Shepherd Dog
Appenzell Mountain Dog
Atlas Terrier
Arubian Cunucu Dog
Australian Cattle Dog
Australian Kelpie
Australian Shepherd
Austrian Shorthaired Pinscher
Australian Stumpy Tail Cattle Dog
Australian Terrier
Azawakh
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Basenji
Basset Artesien Normand
Basset Hound
Beagle
Bearded Collie
Beauceron
Bedlington Terrier
Belgian Griffons (photo needed)
Belgian Shepherd Groenendael
Belgian Shepherd Laekenois
Belgian Shepherd Malinois
Belgian Shepherd Tervuren
Bergamasco
Berger De Picard
Bernese Mountain Dog
Bichon Frise
Bichon/Yorkie
Bolognese
Black and Tan Coonhound
Black Mouth Cur
Black Russian Terrier
Bloodhound
Bluetick Coonhound
Boerboel
Border Collie
Border Terrier
Borzoi
Boston Terrier
Bouvier des Flanders
Boxer
Boykin Spaniel
Briard
Braque Du Bourbonnais
Brittany Spaniel
Bukovina Sheepdog
Bulgarian Shepherd Dog
Bull Boxer
Bull Terrier
Bulldog
Bullmastiff
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Cairn Terrier
Canaan Dog
Cane Corso Italiano
Cão da Serra de Aires
Cao dos Mourey
Caravan Hound
Carolina Dog
Carpathian Sheepdog
Caucasian Owtcharka
Cardigan Welsh Corgi
Cavachon
Cavalier King Charles Spaniel
Central Asian Ovtcharka
Cesky Fousek
Cesky Terrier
Chacy Ranior
Chart Polski
Chesapeake Bay Retriever
Chihuahua
Chinese Chongqing Dog
Chinese Crested (hairless)
Chinese Imperial Dog
Chinook
Chow Chow
Cierny Sery
Cirneco Dell 'Etna
Clumber Spaniel
Cockapoo
Collie (Rough and Smooth)
Coton De Tulear
Cretan Hound
Curly-Coated Retriever
Czechoslovakian Wolfdog
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Papillon
Parson Russell Terrier
Patterdale Terrier
Pekepoo
Pekingese
Pembroke Welsh Corgi
Perdiguero de Burgos
Persian Sarabi Dog
Perro de Presa Mallorquin
Petit Basset Griffon Vendeen
Pharaoh Hound
Plott Hound
Pocket Beagle
Podengo Portuguesos Médio
Pointer
Polski Owczarek Nizinny
Pomeranian
Poodle
Porcelaine
Portuguese Water Dog
Pug
Puli (Pulik)
Pumi
Pyrenean Mastiff
Queen Elizabeth Pocket Beagle
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Saarlooswolfhond
Saint Bernard
Saluki
Samoyed
Sarplaninac
Schnoodle
Schipperke
Scotch Collie
Scottish Deerhound
Scottish Terrier (Scottie)
Sealyham Terrier
Shar-Pei
Shepadoodle
Shetland Sheepdog (Sheltie)
Shiba Inu
Shih-Tzu
Shikoku
Shiloh Shepherd
Siberian Husky
Silken Windhound
Silky Terrier
Skye Terrier
Sloughi
Slovensky Cuvac
Smooth Fox Terrier
Soft Coated Wheaten Terrier
Spanish Mastiff
Spanish Water Dog
Spinone Italiano
Stabyhoun
Staffordshire Bull Terrier
Staghound
Standard Poodle
Standard Schnauzer
Sussex Spaniel
Swedish Vallhund
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive
Generally very friendly by nature
Friendly
Reserved / Aloof / Wary
Suspicious / Watchful
Very suspicious and can be aggressive