American Canine Association (ACA) - Touts itself as America's largest veterinary health-tracking canine registry in the U.S. The ACA isn't as old as some of the other purebred dog registries since they were originated in 1984; however, they've made quite a name for themselves with multiple dog shows throughout North and South America, as well as recognition from President George W. Bush for their rescue efforts during the tragic events of 9/11.

American Rare Breed Association (ARBA) - U.S. based organization dedicated to promote the health and well-being of rare canine breeds. The ARBA works closely with their sister organization the Kennel Club USA to achieve this goal.

American Kennel Club (AKC) - Leading register of purebred dogs in the world. Founded in 1884, the AKC operates with over 5,000 clubs and chapters throughout the world, all of which work to promote good health and ethics among dog owners. In order to register a purebred dog with the AKC, the owner must first register the pup's respective parents.

Animal Legal Defense Fund - Founded in 1979 by a group of attorneys, the Animal Legal Defense Fund works to protect the rights and overall well-being of animals through the legal system. They provide free legal consultation to prosecutors handling cases on animal cruelty and neglect. Currently, the Animal Legal Defense Fund operates with over 100,000 active members.

Animal Society For The Prevention of Cruelty of Animals (ASPCA) - Nonprofit organization dedicated to preventing the abuse, negligence and overall cruelty towards animals. Founded in 1886, the ASPCA has remained true to their goal by setting up numerous chapters throughout the U.S. focusing primarily on family pets, such as dogs, cats, horses, etc.

Arizona Chihuahua Rescue - Arizona-based nonprofit Chihuahua organization. The Arizona Chihuahua Rescue organization is ran exclusively by volunteers who dedicate their time and energy into rescuing injured and/or neglected Chihuahuas. Once rescued, they work hard to rehabilitate the Chihuahua, as well as look for a loving new owner for them.

Chihuahua Club of America (CCA) - Nonprofit organization dedicated towards the promotion of purebred Chihuahua breeding qualities. They work closely with the AKC and recommend all owners to accept their standards for the Chihuahua breed. The CCA offers a wide variety of resources on Chihuahua health, temperament and general breed information.

International Fund For Animal Welfare (IFAW) - Nonprofit animal conservation organization founded in 1969. The IFAW operates in over 40 countries throughout the world to provide hands-on approach to protecting a wide range of animal species, only one of which are dogs.

PetSmart Charities - Nonprofit organization owned by one of the nation's largest pet supply retailers PetSmart. They offer a wide variety of services including adoptions, spays, neutering, emergency relief programs and financial grant programs.

Petfinder - Owned by the Discovery Network, is a searchable database of over 13,000 animal shelters and rescue organizations in the U.S., Canada and Mexico. Note: only nonprofit shelters are allowed to join Petfinder's database.

Stray From The Heart - Non-profit dog rescue organization specializing in homeless dogs. They work with a network of volunteers who provide their services to help rehabilitate these neglected dogs, helping them recover and find new homes.

The Humane Society of The United States - The largest and most effective animal organization in the United States. They strive for better animal and pet laws, education, emergency response, and deal with cases of animal cruelty. Like most nonprofit animal organizations, they accept donations to help cover their ever-growing operating costs.

United Kennel Club (UKC) - Founded n 1898 by Chauncey Z. Bennett, the UKC is a world-renown purebred canine registry. As of 2012, they receive nearly a quarter of a million registrations worldwide, making them the second largest registry.

World Wildlife Fund (WWF) - world-renown nonprofit organization dedicated towards the conservation and restoration of nature. With over 5 million supports, WWF remains one of the world's largest conservation organizations.

Please note - we are not interested in link exchanges, so please don't waste your time sending us requests, as they will simply be marked as spam and ignored. With that said, we are willing to add reputable sites to our link page that we believe would be helpful to Chihuahua owners. These include nonprofit organizations, rescues, animal shelters, etc. If you know of a website not mentioned here that falls under that category, feel free to contact us with the details. We'll review the site and add it to our listings here if we deem it useful.