Aswangs are mythical creatures in Filipino folklore, often described as shape-shifters that can transform into various animals, such as dogs or birds. They are typically depicted as female and are known for their ability to suck the blood of their victims, particularly pregnant women. Aswangs are believed to roam at night, preying on the unsuspecting. These creatures are often associated with other supernatural beings in Philippine mythology, such as manananggal, which is a type of aswang that can separate its upper body from its lower half. The fear of aswangs has influenced local culture, leading to various stories, traditions, and practices aimed at warding them off.