London challenge · pilot season

Find London's hidden 12.

Choose a wild neighbour, take a photo, then point to where it is hiding. Every confirmed find unlocks a card on this device.

Start the next hunt

No account. No public map. Photos are processed by the existing detector and are not retained. Observe from a distance: never touch, feed or chase wildlife.

A camouflaged animal hidden among deep green leaves

Your London field guide0 / 12

Saved only on this device

R · City regulars

Usually findable in the right public habitat.

SR · Selective encounters

Season, habitat or time of day matters.

SSR

SSR · Rare encounters

Very rarely encountered in London; stronger confirmation is needed.

A real pilot, not a scientific population census

R / SR / SSR means London wild encounter rarity, not camouflage difficulty or global conservation status. These starter tiers use public sources and must be reviewed before competitive scoring.

The loop takes one photo

Choose one of the 12 London species.
Use the existing finder and tap the animal before Reveal.
Confirm the species and keep the card on this phone.