The report by the Institute for the Conservation of Nature and Forests (ICNF), focused on populations of the Iberian imperial eagle, golden eagle and Bonelli's eagle in the Alentejo.
According to the report, the Iberian imperial eagle shows a positive growth trend, and has seen a population increase of 60% in the last three years (13 to 20 pairs) and has a conservation status in Portugal evaluated as “critically endangered”. In the 1980s it stopped nesting in Portugal and was considered extinct as a breeding species, but from 2003 onwards it started to breed again in the country.
As for the golden eagle, comparing with data from 2002 and 2004, it is considered that the growth of the species is stable (nine pairs in those years and 10 pairs in 2020). The largest eagle in the Iberian Peninsula, it has a conservation status defined as “endangered”.
Bonelli's eagle has a very positive growth trend, with an increase of 140% in the last 15 years (27 pairs in 2005 and 65 pairs in 2020), and a conservation status rated as “endangered”.