Reproductive data for great tits breeding in 2023 in Montpellier area and in common garden experiment - associated with Mathieu et al article

This dataset includes great tit Parus major reproductive trait data (laying date, clutch size, egg volume and fertlisation status) collected - in the wild in 2023, based on a great tit monitoring in Montpellier city and La Rouvière forest (juveniles only) - in aviaries in 2023, where individuals from a 2022 common garden experiment were monitored - in the wild in 2024 for egg volume data The five csv files are each associated with a txt Read-me that provides full detail on each dataset.

This data is used in an article by Mathieu et al which aims at exploring the divergence in reproductive traits between urban and forest great tits in both wild and common garden conditions.