Bwabwaja ni ndege wa jenasi Glareola na Stiltia katika familia ya Glareolidae. Umbo na mwenendo yao inafanana na mbayuwayu. Wana mabawa marefu yaliyochongoka, miguu mifupi na mkia mwenye panda. Hukamata wadudu wakipuruka na hutaga mayai yao chini. Glareola cinerea, Bwabwaja Kijivu (Grey Pratincole) Glareola nordmanni, Bwabwaja Mabawa-meusi (Black-winged Pratincole) Glareola nuchalis, Bwabwaja Ukosi-mweupe (Rock Pratincole) Glareola ocularis, Bwabwaja wa Madagaska (Madagascar Pratincole) Glareola pratincola, Bwabwaja Koo-njano (Collared Pratincole) Glareola lactea (Little Pratincole) Glareola maldivarum (Oriental Pratincole) Stiltia isabella (Australian Pratincole) Little pratincole Oriental pratincole Australian pratincole