a pixie

• 2118, 342, -48 (seen once)
• -2032, -356, -51 (seen once) (1 of 2 spawns here)
• 2023, 88, -58 (seen once) (1 of 2 spawns here)
• 1754, -567, -50 (seen once)
• -2213, -485, -53 (seen once) (1 of 4 spawns here)
• 1959, 345, -48 (seen once)
• -1216, 884, -26 (seen once)
• 1758, 334, -21 (seen once)
• -1631, -184, -51 (seen once) (1 of 4 spawns here)
• -1703, 389, -40 (seen once)
• -2249, -509, -51 (seen once)
• 1239, -248, -44 (seen once) (1 of 4 spawns here)
• 1523, -684, -47 (seen once)
• 1388, -146, 46 (seen once) (1 of 2 spawns here)
• 1433, 568, -63 (seen once) (1 of 2 spawns here)
• -2242, -34, -79 (seen once)
• 1357, 57, -60 (seen once) (1 of 2 spawns here)
• -2008, 337, -78 (seen once) (1 of 2 spawns here)
• 2191, 895, -35 (seen once)
• -1246, 501, -41 (seen once) (1 of 2 spawns here)
• 1949, 162, -48 (seen once)

As /loc gives them: Y, X, Z, the most used first; nearby spawns share a spot, and one seen in a single visit may be where the mob had been pulled to.