
These are species with at least one recorded territory in Nepal, 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 Nepal, among those a photograph exists for. Most recorded is not most numerous: it rewards animals that are common, conspicuous and live where people go.

Corvus splendens

Pycnonotus cafer

Milvus migrans

Columba livia

Corvus macrorhynchos

Psilopogon asiaticus

Copsychus saularis

Acridotheres fuscus

Orthotomus sutorius

Passer montanus


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