Daily Challenge · Friday

Challenge of August 21, 2026

Photos: Skull Index, Wikipedia

ClassicHarder than 61% of days

Eurasian Blue Tits

Cyanistes caeruleus

Aves/Passeriformes/Paridae/Cyanistes/Cyanistes caeruleus

Players
24
Median time
6 sec

Solved on try

  1. 138%
  2. 254%
  3. 38%
  4. 40%

Photos: Skull Index, Wikipedia

TaxonomyEasier than 75% of days

Sea Otter

Enhydra lutris

Where the community fell · players: 22

  1. ClassMammalia100%
  2. OrderCarnivora100%
  3. FamilyMustelidae95%
  4. GenusEnhydra68%

    27% fell here

  5. SpeciesEnhydra lutris68%

68% reached the species