Mrs Collins said she didn't necessarily look blind so the dog gave others a heads up. That was important so people wouldn't think she was being careless if she bumped into them.
Blind Foundation guide dogs adoption programme coordinator Fiona Notton said the foundation had seven guide dogs in the Northland area. The foundation is urging people to contribute during the Red Puppy Appeal street collection on April 1 and 2. The annual appeal raises funds for the breeding and training of guide dogs.
The foundation said guide dogs gave people who were blind or had low vision the freedom and confidence to live an independent life.
Blind Foundation spokeswoman Alison Wheatley said guide dog puppies went through two years of rigorous training before they graduated. Once assigned, their working life averaged 8 to 10 years.
"We don't charge people to receive a guide dog - all the costs for breeding and training are met by public donations. That's why the Red Puppy Appeal is so important," said Ms Wheatley.
People can donate online at redpuppy.org.nz or text PUPPIES to 305 to donate $3.