Complex sentence: It breeds along the Congo River and its tributary, the Ubangi nesting in burrows in sand banks, and appears to be common common within its restricted range, despite being caught in large numbers by the local population for food.
Split into simpler sentences: It breeds along the Congo River and its tributary, the Ubangi. It nests in burrows in sand banks, and appears to be common common within its restricted range, despite being caught in large numbers by the local population for food.