Study highlights the importance of the Portuguese Castro Verde's Special Protected Area to the species has it holds up to 40% to 65% of the national population
The recently published scientific article focuses on estimating the population size of Montagu's harrier Circus pygargus in a Portuguese Special Protected Area (SPA). Results highlight the importance of the Castro Verde' SPA for the species has it holds up to 40% to 65% of the species' national population based in census carried out in 2010 through the SPA.
See more in: Marques, A.T., Ferreira, R.; Zina, H., Santos, J., Costa, H. (2015). Population size of Montagu's harrier Circus pygargus in the Castro Verde SPA (Portugal). Airo 23: 61-65.