Tony Phelps / Grass snake feigning death {Natrix natrix} Purbeck, Dorset, UK

John Cancalosi / Ringneck snake feigning death (Diadophis punctata) New Mexico, NM, USA

John Downer Productions / Opossum feigns death by rolling over and lying still with mouth and eyes half open. Defensive tactic. (Resolution restriction - image digitised from film, 'Weird Nature' tv series)