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Displaying results 1 - 4 of 4Click/tap on any title to see full details of the record
Altwegg R, Broms K, Erni B, Barnard P, Midgley GF, Underhill LG 2011. Novel methods reveal shifts in migration phenology of barn swallows in South Africa. Proceedings of the Royal Society B
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Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to Northern Harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942 - 1946
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295#.VS0agGf9kpE
Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to northern harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942-1946
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295
Simmons R, Barnard P, Smith PC 1987. Reproductive Behaviour of Circus cyaneus in North America and Europe: A Comparison. Ornis Scandinavica 18 (1) 33-41
Website link:http://www.jstor.org/discover/10.2307/27669756?uid=4&sid=21100861900201
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