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Article
Steven W. Evans, AuteurLudwig’s Bustard Neotis ludwigii is near-endemic to the semi-arid shrublands of southwestern southern Africa and is listed as Endangered. The primary threat to this species is collisions with overhead powerlines; however, loss and fragmentation [...]
Article
The distances covered by migrant birds have been the subject of many studies. There are no estimates of the distances travelled by resident birds spending different amounts of time per day flying. Selection pressures similar to those due to migr[...]
Article
Achilles Byaruhanga, Auteur ; Steven W. Evans, Auteur
Article
Steven W. Evans, Auteur ; Dieter Hoffmann, Auteur ; Eric Sande, Auteur
Article
Eric Sande, Auteur ; Steven W. Evans, Auteur ; Dieter Hoffmann, Auteur
Article
Steven W. Evans, Auteur ; H. Bouwman, AuteurThe Blue Swallow Hirundo atrocaerulea is restricted to sub-Saharan Africa, its population size previously estimated at fewer than 1,500 pairs, and is classified as Vulnerable. A better understanding of its current distributional range, populatio[...]
