Surviving on a Rock, but for How Long? Deviations in the Thermoregulatory Strategy of the Milos Wall Lizard (Podarcis milensis)

P. Pafilis,C. Adamopoulou,Antonis Antonopoulos,Aris Deimezis-Tsikoutas,A. Christopoulos,Kostas Sagonas

Published 2024 in Animals

ABSTRACT

Simple Summary Insularity shapes many aspects of animal biology, and thermal physiology is not an exception. However, not all islands affect animals in the same way. Here, we aim to shed light on the thermal adaptations that animals attain on small islets of the Aegean Sea, Greece. We compare the thermoregulatory profile of the endemic Milos wall lizards (Podarcis milensis) of two remote islets with the Milos Island population. Our results suggest that the islet lizards achieve much more effective thermoregulation than the main island in response to the low thermal quality of these demanding habitats. However, global warming poses further challenges to these populations. Even though they are already accurate, precise and effective thermoregulators, they would have—literally—nowhere to go in the case of higher environmental temperatures.

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