Is behavioural enrichment always a success? Comparing food presentation strategies in an insectivorous lizard (Plica plica)

Staggering food availability through a delivery device is a common way of providing behavioural enrichment as it is usually thought to increase the amount of natural behaviour due to the unpredictability of the food source. Tree-runner lizards (Plica plica) are a Neotropical, scansorial, insectivorous species. We provided these lizards with an enrichment device that slowly […]