Fieldwork Update from Austria: summer 2024
by J. Smout Fieldwork update: Summer 2024 saw the start of a new phase of research on our field site in the Gailtal region of Austria. The site hosts a hybrid zone of oviparous (egg laying) and viviparous (live bearing) lineages of common lizards, Zootoca vivipara. Past research by Elmer Lab members and alumni has focussed on understanding the genetic architecture of viviparity and oviparity as well as investigating differences in reproductive investment, and reproductive success of the different lineages and hybrids. Our new project, funded by a NERC Pushing the Frontiers grant, centres on a controlled breeding experiment to take place in situ at the hybrid zone. By setting up experimental crosses between oviparous, viviparous, and hybrid lizards of both sexes and by keeping the offspring for the duration of the project, we can address gaps in our existing knowledge of the hybrid zone such as differences in the inclusive fitness of male vs. female lizards and how hybridisat...