Figure 2 in Is it all death feigning? Case in anurans

Figure 2. (A) Scinax fuscomarginatus displaying death-feigning behaviour; (B) Phyllomedusa bahiana displaying shrinking behaviour; (C) Acanthixalus spinosus displaying deathfeigning behaviour plus tongue protrusion; (D) Leptopelis rufus displaying death-feigning behaviour, with its mouth slightly open for the release of ammonia-like smell.