Pokémon Heart Gold & Soul Silver - Headbutt Trees

How To Learn Headbutt + Special Tree Locations (Pokémon HGSS) - Guide Strats

Heart Gold and Soul Silver: (hidden) items, TMs, HMs and other (nuzlock) stuff - heartgold post - Imgur

Azalea Town - Bulbapedia, the community-driven Pokémon encyclopedia

Pokemon HeartGold and SoulSilver :: Move Tutors

Pokemon HeartGold and SoulSilver :: Full Walkthrough

Pokemon HeartGold and SoulSilver - Headbutt Guide

How to Catch Seedot - Pokemon Heart Gold and Soul Silver

Pokemon Crystal Part #12 - Butts and Breeding (Not Related)

Headbutt tree - Bulbapedia, the community-driven Pokémon encyclopedia

How to Catch Aipom and Heracross - Pokemon Heart Gold and Soul Silver

When I headbutt this exact tree outside of Azalea town in Soul Silver, a Heracross shows up most of the time. Can anyone else help me confirm on their version? : r/pokemon

Walkthrough:Pokémon HeartGold and SoulSilver (Part 5), Pokémon Wiki

HGSS Community Nuzlocke Tier List [Day 7 - Headbutt Tree Encounters] : r/nuzlocke