Localisation of Montagu’s Harrier nests in the Czech Republic in the years 1872–2023 (n = 4,046 breeding attempts, of which 3,906 confirmed and 140 probable; 527 nests are not displayed).
Orange: 40 nests in the years 1872–1970; red: 34 nests in the years 1971–1980; blue: 44 nests in the years 1981–1990; green: 154 nests in the years 1991–2000; brown: 848 nests in the years 2001–2010; black: 2,926 nests in the years 2011–2023.
Data source: Poprach et al. 2026