Across the United States, National Mutt Day is celebrated today to honor mixed‑breed dogs and encourage adoption. Founded in 2005 by animal behaviorist and advocate Colleen Paige, the day highlights the many wonderful qualities of mutts, calling attention to the abundance of mixed‑breed dogs in shelters and the importance of providing them loving, permanent homes.
Observed twice annually—on July 31 and again on December 2—National Mutt Day has become a meaningful moment for animal lovers, rescue organizations, and pet owners to advocate for mutts across the country. The summer observance often sees heightened activity in shelters, where many mixed‑breed dogs await adoption and communities host special events to support the cause.
Colleen Paige, a respected pet and family lifestyle expert, launched National Mutt Day in 2005. Her goal was to shine a light on the plight of mixed‑breed dogs that are often overshadowed by purebreds and to elevate pet adoption as an ethical and compassionate choice. Since then, National Mutt Day has grown into a widely recognized campaign encouraging adoption, donations, volunteering, and celebration of these resilient, loving dogs.
The decision to observe the day twice annually aims to maximize exposure and provide more opportunities for mutts to find homes. The summer date—July 31—tends to coincide with high shelter intake rates, making it a pivotal moment to increase adoptions.
Mixed‑breed dogs, sometimes referred to by nicknames like mongrels, Heinz 57s, or hybrids, are often passed over in favor of purebreds. Yet, mutts frequently bring unexpected advantages. Thanks to greater genetic diversity, many mixed‑breed dogs are less susceptible to hereditary health problems and may enjoy longer, healthier lives. Each mutt carries a blend of traits—from intelligence and loyalty to playful behavior—making them one‑of‑a‑kind companions. According to estimates, around 53 percent of dogs in U.S. households are mixed breeds, and they constitute the majority of shelter populations. National Mutt Day works to dispel myths about mutts—revealing they can be just as beloved and capable as any purebred, if not more so.
In observance of National Mutt Day, many adoption centers across the country host fee‑waived or reduced‑fee adoption events, spotlighting mutts in need of homes. These initiatives are often supported through social media campaigns, local news features, and community partnerships to elevate the profile of mixed‑breed dogs. Common ways to participate include adopting a dog, visiting local shelters to welcome a mutt into your home, volunteering at rescue organizations, contributing supplies or funds to shelters, and sharing adoption stories online to inspire others. Some communities even host “mutt masquerades,” doggie DNA reveal parties, or playground style meet‑ups to celebrate and amplify the joy mixed‑breed dogs bring to families.
Dog owners can mark the day by giving their mutts extra attention and care. Ideas include hosting a dog playdate or a small gathering at the park, gifting special treats or toys, booking a spa visit or wellness checkup, or posting online tributes with quotes that celebrate their mixed‑breed companions. If you’re not in a position to adopt, fostering a dog temporarily or supporting shelters throughout the year can still make a meaningful impact.
National Mutt Day also reflects broader trends in animal welfare. It promotes adoption over purchasing, discouraging demand for pets from puppy mills or irresponsible breeding operations. The day brings awareness to overpopulation issues and encourages spaying and neutering, as well as support for no‑kill initiatives. Mutts, once mislabeled or undervalued, are increasingly celebrated for their resilience, unique looks, and adaptive personalities—helping reshape public perception.
As we observe National Mutt Day on July 31, 2025, a Thursday this year, the day offers a powerful reminder that mixed‑breed dogs deserve recognition, homes, and love just as much as their purebred counterparts. Every act—adopting, donating, volunteering, sharing—helps reduce shelter overcrowding and honors the countless mutts without homes.
National Mutt Day is a celebration with purpose: to recognize mixed‑breed dogs for their health, character, and loyalty; to support shelters; and to champion pet adoption as a compassionate choice. Whether you share a photo, make a contribution, or open your home to a rescue, you’re making a difference.