Complex sentence: Unlike its Southeast Asian neighbors, the Philippines does not have a native population (or endemic subspecies) of the widely distributed Eurasian Wild Boar ("Sus scrofa ") but hybridization with domestic pigs"Sus domesticus" are becoming rampant.
Split into simpler sentences: Unlike its Southeast Asian neighbors, the Philippines does not have a native population (or endemic subspecies) of the widely distributed Eurasian Wild Boar ("Sus scrofa "). Hybridization with domestic pigs"Sus domesticus" are becoming rampant.