Migration confers winter survival benefits in a partially migratory songbird
To evolve and to be maintained, seasonal migration, despite its risks, has to yield fitness
benefits compared with year-round residency. Empirical data supporting this prediction have
remained elusive in the bird literature. To test fitness related benefits of migration, we
studied a partial migratory population of European blackbirds (Turdus merula) over 7 years.
Using a combination of capture-mark-recapture and radio telemetry, we compared survival
probabilities between migrants and residents estimated by multi-event survival models …
benefits compared with year-round residency. Empirical data supporting this prediction have
remained elusive in the bird literature. To test fitness related benefits of migration, we
studied a partial migratory population of European blackbirds (Turdus merula) over 7 years.
Using a combination of capture-mark-recapture and radio telemetry, we compared survival
probabilities between migrants and residents estimated by multi-event survival models …
Migration confers winter survival benefits in a partially migratory songbird
DS Zúñiga Sepúlveda, Y Gager, H Kokko, A Fudickar… - 2017 - kops.uni-konstanz.de
To evolve and to be maintained, seasonal migration, despite its risks, has to yield fitness
benefits compared with year-round residency. Empirical data supporting this prediction have
remained elusive in the bird literature. To test fitness related benefits of migration, we
studied a partial migratory population of European blackbirds (Turdus merula) over 7 years.
Using a combination of capture-mark-recapture and radio telemetry, we compared survival
probabilities between migrants and residents estimated by multi-event survival models …
benefits compared with year-round residency. Empirical data supporting this prediction have
remained elusive in the bird literature. To test fitness related benefits of migration, we
studied a partial migratory population of European blackbirds (Turdus merula) over 7 years.
Using a combination of capture-mark-recapture and radio telemetry, we compared survival
probabilities between migrants and residents estimated by multi-event survival models …
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