Long-term population monitoring reveals an alarming decline in the endangered endemic Reunion Harrier Circus maillardi
Alexandre Villers, Thomas Cornulier, Cyril Éraud, Thibaut Couturier, Pierrick Ferret, Damien Chiron, Nicolas Laurent, Aurélien G. Besnard, Vincent Bretagnolle, Marc Salamolard, V. Grondin, François‐Xavier Couzi, Rémi Fay, Steve Augiron
The paper quantifies a significant decline in the Reunion Harrier population over 21 years, highlighting spatial variation and supporting its Endangered status.
bioRxiv · Nov 7, 2025 · PreprintEcology