title: Ultimate divers.
abstract: An extraordinary variety of mammals, birds, amphibians and reptiles are adapted to life in the oceans. Many of them spend their entire lives there without being able to breathe underwater. But just how do they exploit this hostile environment?
authors.affiliation: School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK. lgh013@bham.ac.uk
authors.forename: Lewis
authors.initials: L
authors.lastname: Halsey
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000502:physiology*; D004242:Diving / Q000502:physiology*; D006801:Humans; D009792:Oceans and Seas; D012119:Respiration; D014907:Whales / Q000502:physiology*