Environmental constraints can explain clutch size differences between urban and forest blue tits: insights from an egg removal experiment
M. D. Pitt, P. Capilla-Lasheras, N. S. S. Alhowiti, C. J. Branston, E. Carlon, J. J. Boonekamp, D. M. Dominoni
This study investigates whether urban blue tits' smaller clutch sizes are due to environmental constraints or adaptive strategies, finding urban females cannot lay replacement eggs as forest females can.
bioRxiv · Jan 5, 2023Ecology