consists of curling and raising the tail while hiding the head and remaining motionless (Greene 1973(Greene , 1979;;Jackson 1979).This behavior has been described in species as diverse as the South American False Coralsnake (Erythrolamprus aesculapii), Sao Paulo False Coralsnake (Simophis rhinostoma) (Sazima and Abe 1991), South American Hognose Snake (Xenodon dorbignyi) (Tozzetti et al. 2009), Neuwied's False Fer-de-lance (Xenodon neuwiedii), Wagler's Snake (Xenodon merremii), Günther's False Fer-de-lance (Xenodon guentheri) (Pedrozo et al. 2020), Western Coralsnake (Micruroides euryxanthus) (Greene 1988), Ringneck Snake (Diadophis punctatus), Yellow-bellied Defensive Head-mimicry in Coralsnakes, Micrurus spp.