Daily Challenge · Thursday
Challenge of May 21, 2026
Photos: Skull Index, Wikipedia
ClassicEasier than 68% of days
Sea Otter
Enhydra lutris
Mammalia/Carnivora/Mustelidae/Enhydra/Enhydra lutris
- Players
- 85
- Median time
- 10 sec
Solved on try
- 162%
- 224%
- 312%
- 42%
Photos: Slow Cheetah Skeletons, Wikipedia
TaxonomyHarder than 80% of days
Big Brown Bat
Eptesicus fuscus
Where the community fell · players: 54
- ClassMammalia100%
- OrderChiroptera83%
- FamilyVespertilionidae61%
22% fell here
- GenusEptesicus44%
- SpeciesEptesicus fuscus33%
33% reached the species