A savanna or savannah is a mixed woodland - grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
Savannas are widespread grassland biomes distributed across the globe, typically located near the equatorial belt in tropical and subtropical regions. These ecosystems exist in diverse forms on different continents, each shaped by unique climates and species.
A savanna or savannah is a tropical or subtropical woodland ecosystem characterized by the trees being sufficiently small or widely spaced so that the canopy does not close, above a continuous tall grass understory.