WebPopulation. 172,700 to 299,700. Scientific Name. Pan troglodytes. Habitats. Forests (moist and dry forests), Savannah Woodlands, and Grassland-Forest mosaics. Like us, chimps are highly social animals, care for their offspring for years and can live to be over 50. In fact, chimpanzees are our closest cousins; we share about 98% of our genes.