- Main article: Aviary
The Eider Duck can be stored in the Aviary. The Aviary can be harvested every 1 day. When harvesting the Aviary containing at least one Eider Duck, in addition to currency, it is possible to find a(n)or Animal Feed.
- Main article: Duck Pond
The Eider Duck can be stored in the Duck Pond. The Duck Pond can be harvested every 1 day. When harvesting an Duck Pond containing at least 1 Eider Duck, there is a chance to find Eider Duck Ducklings
- Main article: Mastery
|Mastery Level||Mastery Points|