The biannual primary moult of Willow Warblers Phylloscopus trochilus in Europe and Africa

Author(s): Underhill, L.G., Prŷs-Jones, R.P., Dowsett, R.J., Herroelen, P., Johnson, D.N., Lawn, M.R., Norman, S.C., Pearson, D.J. & Tree, A.J.

Published: January 1992

Journal: Ibis Volume: 134

Digital Identifier No. (DOI): 10.1111/j.1474-919X.1992.tb03811.x

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The biannual primary moult of Willow Warblers Phylloscopus trochilus in Europe and Africa

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