Vocal divergence and new species in the Philippine hawk owl Ninox philippensis complex

P C Rassmussen
D N S Allen
N J Collar
B Demeulemeester
R O Hutchinson
P G C Jakosalem
R S Kennedy
F R Lambert
L M Paguntalan

Published in Forktail, in 2012, in volume 28, pages 1-20

Date published:2012

BHL: 58110078
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