POWELL, GEORGE V. N. & BJORK, ROBIN D. Habitat Linkages and the Conservation of Tropical Biodiversity as Indicated by Seasonal Migrations of Three-Wattled Bellbirds. Conservation Biology 18 (2), doi: /j x Figure 5. Distribution of forest in Costa Rica (1992) in relation to protected areas (dark outlines) and radio tagged bellbirds in September–December (circles) and December- March (crosses). Arrows show direction of movements between stopovers. Data from all years are combined. Star on lower left of breeding area denotes capture area.
Levey and Stiles 1992
Outlaw et al. 2003
Outlaw et al. 2003
Bell, 1997 fuliginosa
Bell, 1997