Peter Piper is the kind of dog who wins hearts instantly.

This crystal-blue-eyed stray was spotted peeking out of an old pipe at a construction site in St. Louis, Missouri, with a mission that would melt anyone’s heart.

Peter Piper took his role very seriously, guarding the abandoned pipes from intruders, and when the construction workers approached, they quickly realized why.

Peter Piper, The Unexpected Guardian

The crew wanted to help Peter, but he was too nervous. Every time they stepped closer, he growled, and soon they understood why.

Deep within the pipes, faint whimpers could be heard, revealing that Peter was protecting his puppies.

Still, the workers couldn’t get close enough to check for themselves, so they contacted Stray Rescue of St. Louis . The rescue team sent their

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