Environmental and genetic drivers differentially shaped resident and transient gut microbiota during the Macaronesian chaffinch radiation
B. Karina Montero, Mark A. F. Gillingham, Mark Ravinet, Juan Carlos Illera
The paper investigates how environmental and genetic factors shape gut microbiota in Macaronesian chaffinches, showing that island size and isolation drive diversity, while host genetics influence microbial abundance.
bioRxiv · Aug 20, 2025 · PreprintEvolutionary Biology