Flexible navigation response in common cuckoos Cuculus canorus displaced experimentally during migration

Mikkel Willemoes*, Julio Blas, Martin Wikelski, Kasper Thorup

*Corresponding author for this work
    21 Citations (Scopus)
    187 Downloads (Pure)

    Abstract

    Migrating birds follow innate species-specific migration programs capable of guiding them along complex spatio-temporal routes, which may include several separate staging areas. Indeed, migration routes of common cuckoos Cuculus canorus show little variation between individuals; yet, satellite tracks of 11 experimentally displaced adults revealed an unexpected flexibility in individual navigation responses. The birds compensated for the translocation to unfamiliar areas by travelling toward population-specific staging areas, demonstrating true navigation capabilities. Individual responses varied from travelling toward the first stopover in northern Europe to flying toward the Central-African winter grounds, the latter including several stopovers in unfamiliar areas. Apparently, the cuckoos possess spatial knowledge far beyond their population-specific flyway scale, and make individual decisions likely based on an assessment of perceived gain and cost of alternative route options.

    Original languageEnglish
    Article number16402
    JournalScientific Reports
    Volume5
    Number of pages5
    ISSN2045-2322
    DOIs
    Publication statusPublished - 2015

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