Some of the best gifts come as a complete surprise ... like a litter of baby rats.
On Friday, an Imgur user shared photos of the rat pups she unknowingly took in several years ago.
"In December 2004, I adopted two pet rats from my local animal shelter," wrote user giantsquid on the site. "Nobody noticed that one of them was pregnant."
Soon, she was caring for half a dozen baby rats that "looked much like marzipan piglets."
In just a few weeks, however, the rats grew into curious little "plushies."
"Hammocks are the best!" wrote giantsquid. "This one was just a guest towel with string tied to the corners."