
These are species with at least one recorded territory in Switzerland, not a national checklist: a bird list from eBird or Avibase is more complete. The counts follow recording effort as much as wildlife, so a country with more visitors and more naturalists will show more of both.
The species with the most open occurrence records in Switzerland, among those a photograph exists for. Most recorded is not most numerous: it rewards animals that are common, conspicuous and live where people go.

Capreolus capreolus

Vulpes vulpes

Rupicapra rupicapra

Rana temporaria

Lepus europaeus

Castor fiber

Meles meles

Bufo bufo


Cervus elaphus

Sciurus vulgaris

Sus scrofa
The reference database has no regions filed under Switzerland.
The field guide covers Switzerland on the map, but none of its species have an entry written for them yet.