Minecraft wiki entry for Goat, associated text: Groups of two to three goats spawn above opaque blocks on mountains biomes, such as snowy slopes, jagged peaks, and frozen peaks at the surface at a light level of 7 or higher. Goats spawn individually and more uncommonly after the world generation. There is a 5% chance for a goat to spawn as a baby goat. When a goat is spawned, it has a 2% chance of being a screaming goat[note 1], They look identical to all other goats, the only difference being that they make screaming sounds and ram more often. There is also a 2% chance of a screaming goat being born from two non-screamers.