Oregon - A viral new video shows Birdie the puppy dog sitting in the garden, looking sadly into the distance. What is she watching there? The answer is heartbreaking.

The touching video went viral on Instagram at the beginning of November.

"Just a foster puppy watching her siblings get adopted & move away," reads the onscreen text.

"Wish I could tell her we'll never stop looking until we find her the BEST family."

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The post has since received over 30,000 views and counting on Instagram, and it is clear from the comments section that many people sympathize with the pooch.

The puppy's foster mama Rachel Fusaro recently explained Birdie's situation to Newsweek, and it's quite the rollercoaster!

"Her mom, Daffodil, was dumped at my local shelter where I volunteer malnourished, underweight, and very pregnant," Fusaro told Newsweek.

"I took her home to foster, and within 48 hours she birthed nine puppies."

Sadly, three of the little dogs died after just a few weeks.

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The volunteer put her entire professional and personal life on hold to care for these puppies, Fusaro said, adding that it was the most challenging and rewarding thing she had ever done.

One by one, Birdie's siblings and her mother were placed with interested parties – but it was her shyness in particular that repeatedly thwarted the little pup's chances of finding a forever home.

"She has needed extra support and love as every time one of her siblings is adopted, her entire world and routine changes," Fusaro said. "It's not easy on any of us, but she's strong and resilient and will make the right family so lucky."

Nevertheless, Fusaro is hopeful that Birdie will find someone to appreciate her for who she is: "I knew from the start she would be going places... She's a little reserved with new people, but once you're in her circle, it's forever."