They share ground spawns with Fauna of the Wastes collection. For this achievement you need the GS that spawn in dragon nests and inside the caves.
This is my list of GS:
P -1544.9557, -567.6866, -41.6265, 127, 64, 0, 1, colls
P 1748.4242, 648.9933, -52.3975, 127, 64, 0, 1, colls
P 3865.7488, -3058.6731, -298.7695, 127, 64, 0, 1, colls
P 3279.6243, -1984.6525, -300.2043, 127, 64, 0, 1, colls
P 3201.5271, -3093.0271, -298.5648, 127, 64, 0, 1, colls
P 3620.1802, -1445.3224, -300.9362, 127, 64, 0, 1, colls
P 2684.9915, -1064.7437, -26.0508, 127, 64, 0, 1, colls
P 2238.1023, -1943.6967, -1.6152, 127, 64, 0, 1, colls
P -1348.0663, 799.9349, -47.9418, 127, 64, 0, 1, colls
P 1093.8384, 182.5719, -45.1055, 127, 64, 0, 1, colls
P -1667.8113, -2831.0459, -51.6659, 127, 64, 0, 1, colls
P 1707.2865, 2844.0220, -79.8553, 127, 64, 0, 1, colls
P -1910.5713, 2398.7466, -92.5709, 127, 64, 0, 1, colls
P -1968.4484, -1330.3588, -72.1798, 127, 64, 0, 1, colls
P -2661.8274, -770.6216, -81.9796, 127, 64, 0, 1, colls
P -2753.4788, 65.6069, -90.1629, 127, 64, 0, 1, colls
P 3342.8489, -1218.9208, -298.6143, 127, 64, 0, 1, colls
P 5406.9434, -2303.7620, -295.2273, 127, 64, 0, 1, colls
P 4599.1602, -1018.7982, -290.4123, 127, 64, 0, 1, colls
P -1375.3373, -1648.2394, -66.8735, 127, 64, 0, 1, colls
P 2818.1946, -1980.1277, -250.9772, 127, 64, 0, 1, colls
P 3490.2715, -1585.0022, -300.1155, 127, 64, 0, 1, colls
P -2212.1392, 1710.0486, -85.9599, 127, 64, 0, 1, colls
P 3086.8982, -316.0199, -45.0513, 127, 64, 0, 1, colls
P -1129.0557, -2614.9143, -81.3512, 127, 64, 0, 1, colls
P -977.3522, -3198.3984, -78.9392, 127, 64, 0, 1, colls
P -94.3064, -3197.7441, -85.8465, 127, 64, 0, 1, colls
P -300.0020, 2415.4529, 24.2003, 127, 64, 0, 1, colls
P 859.7363, 2334.8877, 35.2501, 127, 64, 0, 1, colls
P 47.8385, 52.2065, -177.1787, 127, 64, 0, 1, colls
P -2374.8914, 249.8497, -57.1308, 127, 64, 0, 1, colls
P 2748.1792, -3443.2422, -91.0320, 127, 64, 0, 1, colls
P 3168.5447, -3227.4944, 7.4347, 127, 64, 0, 1, colls
P -517.8583, -3000.5203, -75.0584, 127, 64, 0, 1, colls
P 963.0837, -3206.5723, -82.1317, 127, 64, 0, 1, colls
P 1064.3433, -1094.7709, -54.5262, 127, 64, 0, 1, colls
P -1919.6609, 66.2438, -208.6609, 127, 64, 0, 1, colls
P -1480.3085, -174.3268, -209.9486, 127, 64, 0, 1, colls
P -255.9671, -668.4908, -190.6719, 127, 64, 0, 1, colls
P 281.2728, -659.1525, -182.4028, 127, 64, 0, 1, colls
P -2936.0093, 397.5818, -73.4146, 127, 64, 0, 1, colls
P 16.5932, 894.2466, -39.0690, 127, 64, 0, 1, colls
P -3215.4844, 916.4495, -75.9144, 127, 64, 0, 1, colls
P 1654.0403, -3020.3052, -91.2893, 127, 64, 0, 1, colls
P 278.6945, -3144.5413, -98.6539, 127, 64, 0, 1, colls
P -2543.7356, -2930.7935, -55.6344, 127, 64, 0, 1, colls
P -546.1351, -1511.0170, -11.1160, 127, 64, 0, 1, colls
P -2347.4590, 655.3702, -51.1812, 127, 64, 0, 1, colls
P -1054.3931, -1999.0951, -64.7603, 127, 64, 0, 1, colls
P 4160.1729, -2076.6438, -296.8206, 127, 64, 0, 1, colls
P 4564.1382, -1373.6056, -291.0820, 127, 64, 0, 1, colls