Species limits in antbirds (Aves: Passeriformes: Thamnophilidae): an evaluation of Frederickena unduligera (Undulated Antshrike) based on vocalizations
MORTON L. ISLER
,
PHYLLIS R. ISLER
,
BRET M. WHITNEY
,
KEVIN J. ZIMMER
,
ANDREW WHITTAKER
Issue:
Vol. 2305 No. 1: 7 Dec. 2009
Published on: 2009-12-07
Page range: 61–68
Abstract views: 172
PDF downloaded: 3