Surniculus is a small genus of birds in the cuckoo family. Its four members are found in tropical Asia and the Philippines. They are: Square-tailed drongo-cuckoo, Surniculus lugubris Fork-tailed drongo-cuckoo, Surniculus dicruroides Moluccan drongo-cuckoo, Surniculus musschenbroeki Philippine drongo-cuckoo, Surniculus velutinus