title: Swallows track human moves.
authors.forename: Nigel
authors.initials: N
authors.lastname: Williams
mesh_terms: D000818:Animals; D004272:DNA, Mitochondrial / Q000737:chemistry; D006801:Humans; D009425:Nesting Behavior; D011157:Population Dynamics; D017422:Sequence Analysis, DNA; D046388:Swallows / Q000033:anatomy & histology / Q000235:genetics / Q000502:physiology*
chemical_list: D004272:DNA, Mitochondrial