Here is the full list of all 28 Falcon Age achievements.
Falcon flyby drop item in hand
Return to the Desert
Pet Falcon for 1 Minute
Complete Bomb Minigame
Equip Falcon in Formal Wear
Feed Spicy Food while wearing the Dragon Helmet
Craft Chicken Snack
Craft Fox Snack
Port Loop Rescue
Craft Rabbit Snack
Craft Lizard Snack
Reclaim Refinery Uva
Craft Goat Snack
Reclaim Refinery Uda
Defeat a Heavy Sentry
Farm for the first time
Complete Fetch Minigame
Open a Buried Lockbox
Defeat a Sandwolf
Score Par or better in Lightning Golf
Falcon flyby grab item from hand
Collect All Produce
Reclaim Refinery Eliya
Defeat a Sentry
Blow up Spider Spawner with a Spider Bomb
Feed your Falcon a crafted snack
Escape Prison
Defeat a Drone