Here is the full list of all 36 Cabela's Hunting Expeditions trophies - there are 16 bronze, 15 silver, 4 gold and 1 platinum.
Unlock all Trophies in the game
Claim more than 20 animals in Quick Hunt
Claim an animal on all Quick Hunt levels
Claim an animal on 5 Quick Hunt levels
Obtain all the Gold medals
Hunt 3 attacking animals in a single mission
Hunt 8 attacking animals
Hunt 5 Trophies from at least 200 yards away
Unlock all the gun parts
Hunt 10 small game animals
Hunt 20 animals with Lever Action firearms
Reach the highest level possible
Hunt one Cape Buffalo, Elephant, Leopard, Lion and White Rhino
Unlock all the Rifles
Unlock all the Lever Action firearms
Reach 500,000 XP
Gather all the Flags from the vehicle hunts
Earn 180 GP in one hunt
Earn 25,000 XP from a single Trophy
Hunt 20 animals with rifles
Activate 20 Hilltop Spotting locations
Hunt 20 animals with Semi-Auto firearms
Hunt 4 animals in the vehicle hunts
Collect 25 Flags from the vehicle hunts
Mark 20 big game animals
Unlock all the Semi-Auto firearms
Hunt 15 Trophies from a Shooting Rest
Collect the first 5 Flags from the vehicle hunts
Hunt a big game animal from at least 70 yards away
Shoot a Trophy from optimal distance
Mark 10 Trophies in Strategic View
Unlock your first firearm
Find 50 animal tracks
Activate 15 Shooting Rests
Finish the first hunting mission
Hunt the First Trophy