a plains cat

• 0, 0, 20258 (seen once) (3 of 41 spawns here)
• 471, -878, -36 (seen once)
• 994, -557, -35 (seen once) (1 of 2 spawns here)
• 699, -289, -50 (seen once)
• -66, 1473, -49 (seen once) (1 of 2 spawns here)
• 734, 3159, -48 (seen once) (1 of 2 spawns here)
• 477, 3447, -49 (seen once)
• 489, 3489, -49 (seen once)
• 851, 3532, -49 (seen once)
• -77, 3685, -48 (seen once) (1 of 2 spawns here)
• 548, 2691, -52 (seen once)
• 218, 2093, -52 (seen once)
• 176, 3573, -52 (seen once)
• -279, 210, -37 (seen once) (1 of 3 spawns here)
• 644, -1359, -52 (seen once) (1 of 2 spawns here)
• 140, 3583, -52 (seen once)
• 862, 1888, -51 (seen once) (1 of 2 spawns here)
• -67, -274, -63 (seen once)
• 332, -391, 28 (seen once)
• 284, -900, -52 (seen once)
• -28, 1460, -49 (seen once)
• 711, 1763, -37 (seen once) (1 of 3 spawns here)
• -60, 3214, -51 (seen once)
• 350, 3357, -49 (seen once)
• 657, 3382, -49 (seen once)
• 704, 210, -41 (seen once)
• 293, 3608, -49 (seen once) (1 of 2 spawns here)
• 239, 3739, -41 (seen once)
• 585, 1003, -49 (seen once)
• 369, 1880, -49 (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.