So on ark mobile there is apart of the map where dinos spawn infinitely over and over again it's to the left side of the map where th snow meets the grass I tell you allows trexes alpha raptors carnos ankys sabertooths argys and more just don't get near there stay where the huge blotchy rock is and you will be fine ooh I forgot there are ahem alpha allows and carnos too at the river behind the rock good luck taming just fence the place off to be safe and you got a free farm