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Rita Covas

Principal Researcher

Publications

27 Publications

Covas R (2012) Evolution of reproductive life histories in island birds worldwide. Proceedings of the Royal Society of London B, 279(1733): 1531-1537. doi: 10.1098/rspb.2011.1785 Open publication

Covas R, Deville A-S, Doutrelant C, Spottiswoode CN, Gregoire A (2011) The effect of helpers on the post?edging period in a cooperatively breeding bird, the sociable weaver. Animal Behavior, 81(1): 121-126. doi: 10.1016/j.anbehav.2010.09.022 Open publication

Doutrelant C, Dalecky A, Covas R (2011) Age and relatedness have an interactive effect on the feeding behaviour of helpers in cooperatively breeding sociable weavers. Behaviour, 148(11-13): 1399-1417. doi: 10.1163/000579511X608701 Open publication

Beadell JS, Covas R, Gebhard C, Ishtiaq F, Melo M, Perkins SL, Graves GR, Fleischer RC (2009) Host associations and evolutionary relationships of avian blood parasites from West Africa. International Journal for Parasitology, 39(2): 257-266. doi: 10.1016/j.ijpara.2008.06.005 Open publication

Covas R, du Plessis Doutrelant C (2008) Helpers in colonial cooperatively breeding sociable weavers Philetairus socius contribute to buffer the effects of adverse breeding conditions. Behavioral Ecology and Sociobiology, 63(1): 103-112. doi: 10.1007/s00265-008-0640-2 Open publication

Gimenez O, Viallefont A, Charmantier A, Pradel R, Cam E, Brown CR, Anderson MD, Brown MB, Covas R, Gaillard J-M (2008) The risk of flawed inference in evolutionary studies when detectability is less than one. American Naturalist, 172(3): 441–448. doi: 10.1086/589520 Open publication

Schwager M, Covas R, Blaum N, Jeltsch F (2008) Limitations of population models in predicting climate change effects: a simulation study of sociable weavers in southern Africa. Oikos, 117(9):1417-1427. doi: 10.1111/j.2008.0030-1299.16464.x Open publication

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