Life history traits of birds, and population responses to global change: the case of tits (observing task of the SO ECOPOP)

Data from the 'Life history traits of birds, and population responses to global change: the case of tits' Observing Task, part of the Population ecology observatory (ECOPOP) Observation Service of the Montpellier Research Observatory of Environment (OSU OREME, oreme.org). These data are labelled ‘Long-term monitoring in ecology and evolution’ (SEE-Life CNRS label: https://www.inee.cnrs.fr/sites/institut_inee/files/download-file/SEE-Life_Livret_BD.pdf).