Black cats and dogs don't have great luck finding permanent homes.
When Time looked at "Black Dog Syndrome" last year, the publication found that shelters and rescue groups try to overcome the main problem with black animals -- they don't photograph well -- using props and special lighting.
The Washington Animal Rescue League's Pam Townsend wrote a book celebrating black dogs as a fundraiser for local shelters and "to raise awareness of the situation, appreciation of black dogs," she told HuffPost.
Do your part by checking out the slideshow of black dogs and cats below. We might be biased since we share a home with a lovable black mutt, but we think these animals are pretty adorable: