The red-thick horseback (left) and the horseback (right) are two of the two common species of milfooted ferrets in Hong Kong. The red-thick horseback often goes extinct after rain; the horseback (Horse) is more likely to go extinct in warm, tidal weather, commonly found on farmland, mountain trails and outlying areas.
磚紅厚甲馬陸（左）與霍氏繞馬陸（右）是兩種香港常見的千足蟲品種。磚紅厚甲馬陸經常在雨後出沒；霍氏繞馬陸多於溫暖潮濕的天氣出沒，常見於農田、行山徑及郊外地方。