The wolverine has a branding problem. Its name has been assigned to a comic-book character, sports teams, armored vehicles, knives, boots, and at least one type of person who owns too much tactical equipment.
A Joshua tree looks like someone tried to build a tree from verbal instructions. Tall trunk. Branches.
A pika looks like a hamster designed by someone who had recently seen a rabbit. It is small. Round. Ear-forward.