Used to pick one up with my argent and drop it in a stone doorframe cage. 2 high, 2x6 in size. Tranq and tame. Uses 2x the amount of narqs the app claims. Same system works with many dino types. No flyers lol. Lately argent won't pick up wild dinos. Don't know why.
The method I used to tame was picking up the beaver with my crystal wyvern and dropping it in a taming pen. Pretty easy knockouts but their torpor drop rate is INSANITY and you can't leave then for more than 3 minutes. Feed them either mejoberries or crops (kibble is really expensive but if you want to do that, go for it).