The first ever labradoodle wasn't a designer dog, he was a guide dog.
Born in 1989, he was the first of his kind:
"a dog with the working ability of the Labrador and the coat of the poodle". Non-allergenic coat, but a hard worker.
They've become the top guide-dogs worldwide ever since.
How smart are they? Depends on the breed - Beagles rank along the dumbest.
"Seriously? She understands 'hot' and 'cold'?" "Oh, yes," said John.
It's a border collie.
Chaser knows upwards of 1,200 words. Not just nouns, but also verbs and modifiers like adjectives and prepositions.
It's unfortunate that they don't live longer than around 17 years.