[@jeroukoo]

Oops, my bad. Given your actual location, here are the Pokemon within 50 miles of your location:

[b]Diglett[/b]: Found in grasslands and mountainous areas, away from the city.
[b]Geodude[/b]: Found in the mountains.
[b]Tauros[/b]: Found in grassy areas.
[b]Sudowoodo[/b]: Found in the mountains.
[b]Misdreavus[/b]: Found at night causing mischief. 
[b]Cacnea[/b]: Found in dryer areas with little vegetation.
[b]Solrock[/b]: Found away from the city, during the day, often in the mountains.
[b]Tropius[/b]: Found away from the city, during the day, anywhere but rare.
[b]Shinx[/b]: Found in the mountains.
[b]Patrat[/b]: Found in grassy flatlands.
[b]Bouffalant[/b]: Found in grassy flatlands.
[b]Rufflet[/b]: Found in the mountains, but can be spotted anywhere.
[b]Bunnelby[/b]: Found in the mountains and in the grasslands.
[b]Hawlucha[/b]: Found anywhere away from the city, but a rare sight indeed.
[b]Salandit[/b]: Found in the mountains, but at lower altitudes near the base. 
[b]Jangmo-o[/b]: Found in the mountains, hiding well and far from human civilization. 

Just change that Pidgey sighting to a Rufflet, and you'll be golden.