Despite similarities with other Neotropical biomes like the Caatinga (a mosaic of scrub with patches of seasonally dry forest in Northeast Brazil) and Cerrado (savanna in Central Brazil), the Gran Chaco, or simply Chaco, is globally unique. Located mainly in Bolivia and Argentina, with patches in Brazil and Paraguay, the region is the world’s largest continuous dry tropical forest. Snakes must adapt in various ways to survive there. Sheltering from the sun and climbing trees are examples.
Click here for original story, Snakes are distributed in the Chaco in accordance with adaptations to environment, study shows
Source: Phys.org