title: Animal navigation: the longitude problem.
abstract: Determining longitude is incredibly difficult--for humans. Are animals fooling us into thinking that they have bicoordinate maps? New experiments show that at least some creatures effortlessly solve the seemingly insoluble problem of longitude.
authors.affiliation: Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08540, USA. gould@princeton.edu
authors.forename: James L
authors.initials: JL
authors.lastname: Gould
mesh_terms: D025041:Animal Migration / Q000502:physiology*; D000818:Animals; D010856:Columbidae / Q000502:physiology*; D006801:Humans; D008280:Magnetics; D010465:Perception / Q000502:physiology*; D020308:Songbirds / Q000502:physiology