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- Roberto-Charron, Amélie, et al. Show all 4 Authors
- Animal Migration 2018 v.5 no.1 pp. 1-16
- Hirundo rustica; Nearctic region; Neotropics; Petrochelidon pyrrhonota; Riparia riparia; basins; birds; cerrado; feathers; habitats; insectivores; isotope labeling; land use change; migratory behavior; migratory connectivity; migratory species; population dynamics; stable isotopes; winter; wintering grounds; North America; South America
- ... Conservation efforts directed at population declines for migratory animals must consider threats occurring at different stages often separated by vast distances. Furthermore, connectivity between populations and fidelity of individuals to specific habitats during the annual cycle are also important considerations. Avian aerial insectivores are experiencing steep population declines in North Americ ...
- Roberto-Charron, Amélie, et al. Show all 8 Authors
- The Auk 2018 v.135 no.3 pp. 572-582
- Passerella iliaca; autumn; birds; breeding; breeding sites; environmental factors; global positioning systems; migratory behavior; overwintering; spring; Alaska; British Columbia; California
- ... Leapfrog migration systems, whereby more-northern breeding populations overwinter the farthest south, provide unique opportunities to further our understanding of how environmental variation shapes migratory behavior and the seasonal distributions of birds. Leapfrog migration in a western Fox Sparrow subspecies complex (Passerella iliaca unalaschcensis, Sooty Fox Sparrow) was described as early as ...