Historical and current distribution, population size and possible migration routes of the Blue Swallow Hirundo atrocaerulea in Africa

Bouwman, HenkEvans, Steven William2012-02-292012-02-292010Bouwman, H. & Evans, S.W. 2010. Historical and current distribution, population size and possible migration routes of the Blue Swallow Hirundo atrocaerulea in Africa. Bird conservation international, 20(3):240-254, Mar. [http://www.birdlife.org/publications/bci/index.html]0959-27091474-0001 (Online)http://hdl.handle.net/10394/6162Historical and current distribution, population size and possible migration routes of the Blue Swallow Hirundo atrocaerulea in Africa