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You are only able to see the requirements for the next stage of upgrades, you cannot see all the requirements past that. It usually attracts the animal from that particular area. Then simply use Bait to lure an animal out. For aggressive animals, such as Bengal Tigers, find a location that spawns the animal and take a Mounted Gun Truck with you.Killing an animal with a knife, throwing knife or arrow will yield twice the amount of hides.For example: You can hit a rhino with some grenades, as long as the final hit is a knife or bullet
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However, this only applies if the final blow on the animal was explosive or fire based.
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