Daily Challenge · Monday
Challenge of January 26, 2026
Photos: Skull Index, Skullbase, Wikipedia
ClassicEasier than 66% of days
Eurasian Beavers
Castor fiber
Mammalia/Rodentia/Castoridae/Castor/Castor fiber
- Players
- 49
- Median time
- 6 sec
Solved on try
- 151%
- 243%
- 36%
- 40%
Photos: Skull Index, Wikipedia
TaxonomyHarder than 71% of days
Grey Seals
Halichoerus grypus
Where the community fell · players: 36
- ClassMammalia100%
- OrderCarnivora92%
- FamilyPhocidae64%
28% fell here
- GenusHalichoerus42%
- SpeciesHalichoerus grypus39%
39% reached the species