Why they move: breeding-site availability drives partial migration in a large terrestrial reptile
Marco Gargano, Lorenzo Garizio, Giuliano Colosimo, Pierpaolo Loreti, Alexandro Catini, Lorenzo Bracciale, Massimiliano De Luca, Gregory A. Lewbart, Christian R. Sevilla, Glenn P. Gerber, Paolo Gratton, Gabriele Gentile
The study investigates the drivers of partial migration in Galapagos pink land iguanas, finding that breeding-site availability, not trophic resources or temperature, primarily drives their seasonal altitudinal movements.
bioRxiv · Sep 15, 2026 · PreprintEcology