As was pointed out, it depends on whether you are counting individuals, weight, or species. And you've ignored detritivores and decomposers. The percentage seems a bit too low to me, intuitively, when it comes to large animals, although that might be mitigated by the omnivores. read more
Biome characterized by hot temperatures, large amounts of rainfall, and high biodiversity,that grows near the equator; it receives large amounts of rain, and has dense growths of tall, leafy trees; the weather is warm and wet year-round; few plants live on the dark forest floor. read more