Shamrock, the green golden retriever puppy, gained worldwide attention when a video of her vibrant lime-green fur went viral on social media. Named after luck and Ireland, Shamrock's unique coloration, attributed to biliverdin exposure in the womb, captivated viewers. Despite her green hue fading over time, Shamrock's brief stint as a green-hued pup left a lasting impression, turning her into a beloved internet sensation.