@article{49c389575e254246b21ba3bfe09c759d,
title = "Vigilance patterns of wintering Eurasian Wigeon: Female benefits from male low-cost behaviour",
keywords = "Anas penelope, Female benefit, Male constraint, Male investment, Mate guarding, Vigilance",
author = "Portugal, {Steven J.} and Matthieu Guillemain and Steve Portugal",
year = "2011",
month = jul,
day = "1",
doi = "10.1007/s10336-010-0641-6",
language = "English",
volume = "152",
pages = "661--668",
journal = "Journal of Ornithology ",
issn = "2193-7192",
publisher = "Springer Science and Business Media Deutschland GmbH",
number = "3",
}