Mechanisms of animal global navigation: Comparative perspectives and enduring challenges

V. P. Bingman*, K. Cheng

*Corresponding author for this work

    Research output: Contribution to journalReview articlepeer-review

    100 Citations (Scopus)

    Abstract

    Animals navigate over a range of distances, but it has been the global navigation of species migrating among spatially restricted, seasonal homes separated by thousands of kilometers that continues to defy a thorough mechanistic explanation. We survey the navigational behavior of migratory salmon, whales, sea turtles, and birds, as well as dispersing monarch butterflies, to promote the idea that an explicitly comparative approach to global navigation can provide insight into the evolution and properties of navigational mechanisms. The navigational abilities of migrant birds and sea turtles are used to illustrate the concepts of true navigation and vector navigation, leading us to consider the selective forces that might shape the evolution of navigational mechanisms. We propose that different navigational mechanisms, with different scales of accuracy, are likely employed during the course of migration. Furthermore, superficially similar global migratory behavior in different taxonomic groups is likely characterized by different sensory, representational and neural mechanisms reflective of group-specific adaptation to the physical properties of a migratory environment.

    Original languageEnglish
    Pages (from-to)295-318
    Number of pages24
    JournalEthology Ecology and Evolution
    Volume17
    Issue number4
    Publication statusPublished - Dec 2005

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