What is the difference between a Welch Terrier and an Airedale Terrier?

Can anyone tell me the difference between these 2 dogs? They look exactly alike to me?

The most obvious difference is size. The Airedale is a very large dog (about 23" at the shoulder), while the Welsh is quite small (about 15").

Big difference. Try dogbreedinfo.com ... by the way it's Welsh terrier.

the size

EDIT: OK....so we have some haters out there rating thumbs down to informative answers.....just so sad.....to the haters: go outside smell the fresh air, listen to the birds a chirpin', dance in the rain, hug your loved one, smile at a stranger, watch a feel good movie, do something, anything....just hope you haters have a better day so you feel you don't have to go rating answers badly without really caring what the person said or how much research they did to help out the person that asked the question.......big hug to ya...smileHope this info helps ya out...smile.....WELSH TERRIER:Bold and spirited, the Welsh Terrier is similar to the Airedale Terrier and Lakeland Terrier in appearance. A true terrier at heart, they are not as hot-headed as some of the other terriers. They are affectionate dogs who have outgoing natures making them ideal family pets. Welsh Terriers are reserved around strangers, and make brave watchdogs. Welsh Terriers are a game dog-alert, aware, spirited-but at the same time, is friendly and shows self control. Welsh Terriers are intelligence and have a desire to please which is evident in their attitude. Height: 14 - 15.5 inchesWeight: 20 - 21 lbsColors: Black and tan; also black, grizzle and tan.Coat: Abundant, wiry, hard and close.Temperament: Welsh Terriers are active, playfulWith Children: Yes, usually patient with children.With Pets: Yes, if socialized from a young age not to chase. Special Skills: Hunting dog and family pet Watch-dog: Very HighGuard-dog: LowCare and Exercise: Brush the Welsh Terrier three times per week, bathe when necessary. Regularly trimming of their coat is needed if showing, preferably by hand-stripping. Regular daily exercise, on or off the leash. Welsh Terriers enjoy a game of ball or a run in the countryside.Training: Welsh Terriers needs basic obedience training to make them an enjoyable companion. Give them a constant variety and remain consistent as they will try to divert you from your intentions.Learning Rate: High, Obedience - Low, Problem Solving - MediumActivity: Very HighLiving Environment: An apartment is adequate if daily exercise is provided. Health Issues: Free of major hereditary health problems.Life Span: 10 - 12 yearsLitter Size: 3 - 6Country of Origin: CelticHistory: Developed in North Wales and the north of England they were used to hunt otter, fox and badgers. Their direct ancestors are two strains. The Celtic strain using the coarse-haired Black and Tan Terrier and the English strain using the Airedale and Fox Terrier. First Registered by the AKC: 1888AKC Group: TerrierClass: TerrierRegistries: AKC, ANKC, CKC, FCI (Group 3), KC (GB), UKCAIREDALE TERRIER:The Airedale Terrier is known as the "king of terriers." They excels in agility, eyesight, hearing and has untiring courage. They have a sweet disposition, but may be aloof with strangers. Airedale Terriers have excelled in being a hunter for foxes, badgers, weasels, otters, water rats and ducks. The Airedale Terrier makes a good jogging partner because of their athletic physique. Owners should be strong and confident who can combines firm discipline with patience and precision. Good with older children they makes a loyal family pet. Not an ideal apartment dogs, they should have a fenced yard.Other Names: Waterside Terrier, Bingley TerrierHeight: 23 inchesWeight: 44 - 50 lbs.Colors: Body-saddle, top of neck and top surface of tail, black or grizzle, all other parts tan.Coat: Hard, dense and wiry with a soft undercoat.Temperament: Airedale Terriers are intelligent, responsive, loyal.With Children: Yes, the Airedale Terrier will if the children are mature enoughWith Pets: YesWatch-dog: HighGuard-dog: HighCare and Training: Brush with a stiff bristle brush to remove dead hair three times a week. Minimal trimming. Bathe only when necessary. Should be hand-stripped twice a year. Airedale Terriers need daily exercise. Responsive to training and the easiest to train of all terriers.Learning Rate: High intelligence.Activity: HighLiving Environment: House with a fenced yard; daily exercise and attention.Health Issues: May suffer from eye problems, hip dysplasia and skin infectionsLife Span: 12 -14 yearsLitter Size: 5 - 12Country of Origin: Great BritainHistory: The Airedale Terrier was originally known as the Waterside Terrier and sometimes the Bingley Terrier. Named after the Valley of Aire in Yorkshire, England they were derived from crossing the old English black and tan terrier with the Otterhound. Used in the 19th century for big game hunting, vermin killing and police and military work.First Registered by the AKC: 1888 AKC Group: TerrierClass: TerrierRegistries: AKC, ANKC, CKC, FCI (Group 3), KC,(GB), UKC