Here's a challenge that I found on 's page. I know that it's a lot but I'm more confident in this challenge than the 100 theme challenge.

List:

Sporting
American Water Spaniel
Brittany
Chesapeake Bay Retriever
Clumber Spaniel
Cocker Spaniel
Curly-CoatedRetriever
English Cocker Spaniel
English Setter
English Springer Spaniel
Field Spaniel
Flat-Coated Retriever
German Shorthaired Pointer
German Wirehaired Pointer
Golden Retriever
Gordon Setter
Irish Red and White Setter
Irish Setter
Irish Water Spaniel
Labrador Retriever
Nova Scotia Duck
Tolling Retriever Pointer
Spinone Italiano
Sussex Spaniel
Vizsla
Weimaraner
Welsh Springer Spaniel
Wirehaired
Pointing Griffon

Hound
Afghan Hound
American Foxhound
Basenji
Basset Hound
Beagle
Black and Tan Coonhound
Bloodhound
Borzoi
Dachshund
English Foxhound
Greyhound
Harrier
Ibizan Hound
Irish Wolfhound
Norwegian Elkhound
Otterhound
Petit Basset Griffon Vendéen
Pharaoh Hound
Plott
Rhodesian Ridgeback
Saluki
Scottish Deerhound
Whippet


Working
Akita
Alaskan Malamute
Anatolian Shepherd Dog
Bernese Mountain Dog
Black Russian Terrier
Boxer
Bullmastiff
Doberman Pinscher
Dogue de Bordeaux
German Pinscher
Giant Schnauzer
Great Dane
Great Pyrenees
Greater Swiss Mountain Dog
Komondor
Kuvasz
Mastiff
Neapolitan Mastiff
Newfoundland
Portuguese Water Dog
Rottweiler
Saint Bernard
Samoyed
Siberian Husky
Standard Schnauzer
Tibetan Mastiff

Terrier
Airedale Terrier
American Staffordshire Terrier
Australian Terrier
Bedlington Terrier
Border Terrier
Bull Terrier
Cairn Terrier
Dandie Dinmont Terrier
Glen of Imaal Terrier
Irish Terrier
Kerry Blue Terrier
Lakeland Terrier
Manchester Terrier
Miniature Bull Terrier
Miniature Schnauzer
Norfolk Terrier
Norwich Terrier
Parson Russell Terrier
Scottish Terrier
Sealyham Terrier
Skye Terrier
Smooth Fox Terrier
Soft Coated Wheaten Terrier
Staffordshire Bull Terrier
Welsh Terrier
West Highland White Terrier
Wire Fox Terrier

Toy
Affenpinscher
Brussels Griffon
Cavalier King Charles Spaniel
Chihuahua
Chinese Crested
English Toy Spaniel
Havanese
Italian Greyhound
Japanese Chin
Maltese Manchester Terrier
Miniature Pinscher
Papillon
Pekingese
Pomeranian
Poodle
Pug
Shih Tzu
Silky Terrier
Toy Fox Terrier
Yorkshire Terrier

Non sporting
American Eskimo Dog
Bichon Frise
Boston Terrier
Bulldog
Chinese Shar-Pei
Chow Chow
Dalmatian
Finnish Spitz
French Bulldog
Keeshond
Lhasa Apso
Löwchen
Poodle
Schipperke
Shiba Inu
Tibetan Spaniel
Tibetan Terrier


Herding
Australian Cattle Dog
Australian Shepherd
Bearded Collie
Beauceron
Belgian Malinois
Belgian Sheepdog
Belgian Tervuren
Border Collie
Bouvier des Flandres
Briard Canaan Dog
Cardigan Welsh Corgi
Collie
German Shepherd Dog
Old English Sheepdog
Norwegian Buhund
Pembroke Welsh Corgi
Polish Lowland
Puli
Pyrenean Shepherd
Shetland Sheepdog
Swedish Vallhund

Miscelaneous
Bluetick Coonhound
Boykin Spaniel
Cane Corso
Cesky Terrier
Entlebucher Mountain Dog
Finnish Lapphund
Icelandic Sheepdog
Leonberger
Norwegian Lundehund
Redbone Coonhound
Treeing Walker Coonhound
Xoloitzcuintli

Now that's what I call a long list!!