When we visited Costa Rica a few years ago, this little guy was one of the cutest critters we saw, amongst a lot of camera critter candidates in that country. They call him a Blue Jeans Frog.
Oophaga pumilio belongs to the genus Oophaga,
although the name Dendrobates pumilio is still most commonly used.
Posted for Misty Dawn's CAMERA CRITTERS meme. For other cute critters,