Here is the full list of all 14 Agricola: All Creatures Big and Small achievements.
Won against a higher ranked player
Won 1 Games
Played online for the first time
Won 10 games
Won 100 Games
Won 1,000 games
Collected 500 pigs
250 horses collected
250 cows collected
1,000 sheep collected
Collected 1,000 wood
500 stones collected
250 reeds collected
All buildings from the first expansion built