This website accompanies the following studies:

The global diversity of birds in space and time
W. Jetz, G. H. Thomas, J. B. Joy, K. Hartmann, A. O. Mooers Nature, 491: 444-448

doi:10.1038/nature11631
URL:http://www.nature.com/nature/journal/v491/n7424/full/nature11631.html

Distribution and conservation of global evolutionary distinctness in birds
Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann, D. Redding, and A. O. Mooers. 2014. Current Biology 24, 1-12

URL: http://dx.doi.org/10.1016/j.cub.2014.03.011

Explore results in Map of Life:
http://www.mol.org/projects/ED
http://species.mol.org/info/
Explore results on OneZoom tree:
http://www.onezoom.org/EDGE_birds.htm