Pleaselog inorregisterto add a comment.
Well since your question doesn’t specify which route 1 I’ll give you all route 1 Pokemon with highest chance of appearing region-wise and game-wise:1.Kanto-a)Pidgeyin R/B/Yb)Pidgey and Rattatain FR/LGc)Pidgey in morning and noonandRattata at nightandHoothoot by headbutting treesin G/S/C in HG/SSd)Pidgey in grass as while as while flyingin Pokemon Let’s Go Pikachu and Eevee.2.Unova-a)Patrat and Lillipup in normal grassandHerdier in dark grassin B/Wb)Herdier in normal grassandWatchog in dark grassin B2/W2c)Basculin in waterin B/W and B2/W23.Kalos-Only first route without any wild Pokemon4.Alola-With the route being quite big, overalla)Pikipek and Yungoos in daytime and Alolan Rattata at night in grassin S/M and US/UMb)Tentacool in waterin S/M and US/UMSo yeah if you ever find yourself in a Route 1 in the Pokemon World, the most likely Pokemon to welcome you will be a Pidgey!Hope I helped:))