| migratory timing, rate, routes and wintering areas of white-crested elaenia (elaenia albiceps chilensis), a key seed disperser for patagonian forest regeneration. | migratory animals often play key ecological roles within the communities they visit throughout their annual journeys. as a consequence of the links between biomes mediated by migrants, changes in one biome could affect remote areas in unpredictable ways. migratory routes and timing of most neotropical austral migrants, which breed at south temperate latitudes of south america and overwinter closer to or within tropical latitudes of south america, have yet to be described in detail. as a result, ... | 2017 | 28182628 |