Honey Gather is an Ability introduced in Generation 4. So far, 4 Pokémon have this Ability.
Honey Gather has no effect in battle.
Outside of Battle:
A Pokémon with Honey Gather may collect Honey after a battle if it is not already holding a held item, similar to Pickup. The chance for a Pokémon with Honey Gather to pick up Honey depends on its level, starting at 5% if the Pokémon is between levels 1 and 10, and going up by 5% every ten levels, ending at a 50% chance from levels 91-100.
Pokémon with Honey Gather