Hangman 20 
Hunt 20 targets while hanging in Story Mode
Story based. As you are climbing along the cliffs from one area to another you will frequently be swarmed by birds. Some of these swarms can be avoided, but most cannot. By the end of the second level, you should have amassed enough kills to unlock this.
Pro Challenge 30
Win 10 Challenges
See "You Rule!"
A Good Explorer 30
Finish Story Mode on the Easy difficulty setting
See "A True Adventurer."
Bonus Master 20
Obtain six Perks in a single Shooting Gallery attempt
You will probably get this naturally while going for the Gold Medals. Some animals will drop a perk that replenish your health, double your points or slow down time and such. These do not need to be different perks, but you should use them to ensure you get the achievement.
Serious Partner 30
Finish five Co-op Survival Shooting Galleries
This must be done locally. You don't need a second person for this, only a second controller. Finishing just means that you have gotten a result. You might want to do this on Survival Gallery 3 if you are going for the Latching achievements. Refer to
THIS THREAD for the technique for that achievement. You should also get a few kills with your profile to ensure that the gallery counts.
Bulletproof 30
Hunt 30 animals in a row without dying in Story Mode
You will probably get this naturally while playing the game since everything including swarms of birds counts. Even on hard the first few levels are pretty easy. You can also start a new game on easy to get this done relatively quickly.
Stay Away! 30
Successfully repel 20 animals using melee attacks in Story Mode
You can click the right stick to hit something with a melee attack. It might be wise to start a new playthrough for this on easy, though. At the beginning of the game, you will have to dig up some supplies while wolves attack you. If you just keep hitting the wolves with your shovel, you can get an infinite respawn of wolves. This is practically suicide on Hard, though.
It's All About Diversity 20
Use four different Perks in a single Shooting Gallery attempt
See "Bonus Master" for details. You will need to find and shoot 4 different perks and activate them before you pick up another one. For that reason, you are probably better off not trying for a gold medal at the same time. Easiest to do in Survival galleries.
The Town At Last 30
Reach Jenner Station
Unlocked through story progression. Cannot be missed.
Find The Light 20
Exit the mines
Unlocked through story progression. Cannot be missed.
Give It A Start 20
Start the cable car
Unlocked through story progression. Cannot be missed.
Everyone Is Safe For Now! 20
Fight off the attackers at Jonah’s Cabin
Unlocked through story progression. Cannot be missed.
Here You Are! 20
Find Dr. West
Unlocked through story progression. Cannot be missed.
Rest For The Night 20
Reach Jonah’s Cabin
Unlocked through story progression. Cannot be missed.