Here's why:

* Few trees: Savannas are known for their scattered trees, often with grasses dominating the landscape.

* Large grazing animals: Savannas support a wide variety of large herbivores like zebras, wildebeest, and giraffes.

* Seasonal rain: Savannas experience distinct wet and dry seasons, with the majority of rainfall concentrated in a few months.

Other characteristics of savannas include:

* Warm temperatures: Savannas have warm temperatures year-round.

* Fire: Fire plays a significant role in shaping the savanna ecosystem, helping to clear vegetation and maintain the open landscape.

* Nutrient-rich soil: The grasslands of savannas are often rich in nutrients.

Let me know if you'd like to learn more about a specific savanna or any other biome!