The Alien Duck Mothership is one of two new bosses added in the September 6 Alien update. Alien ducks and bosses in every game mode drop the new Alien Feathers currency that feeds the Alien Chest. Its spawn trigger, day slot and HP are not documented yet.

Attacks & behavior

Unknown — new Alien update boss

Notes

• Spawn trigger and HP unknown — tier is our grouping, not an in-game label.

Source: Official Discord #updates, 2026-09-06. Boss names are transcribed from gameplay footage — in-game spelling may differ.

More Catch 1 Billion Ducks content

• All weapons
• All dogs
• Duck species & value list
• Hardcore mode guide
• Codes status
• Update history