"Endangered Species Protector" bonus card not counting Eurasian Skylark and Western Capercaillie.
Garden Warbler allowing undoing the last step of its power in no-return scenarios.
Habitat icons appearing in overview mode after automatically switching from the opponent's view at the start of the player's turn.
Cases where trying to play a bird in an incorrect habitat caused the game to freeze.
Remember to keep your game up-to-date and happy birding!