@article{c5246c66e544400f86fcd2428152516a,
title = "Need and nestmates affect begging in tree swallows",
author = "Leonard, {Marty L.} and Horn, {Andrew G.}",
note = "Funding Information: Acknowledgements We thank David Hussell, John Reynolds, Danny Weary, Nat Wheelwright, Hal Whitehead and an anonymous reviewer for reading the manuscript and the Behavioural Ecology group at the University of Nottingham for discussion. All provided many helpful comments. We also thank Sherman Boates for access to the field sites and the Brown, Eaton, Hines, and Coldwell families for allowing us to use their land. We especially thank Susan Leech and Satya Ramen for help in the field. This work is supported by grants to M.L.L. from the Natural Sciences and Engineering Research Council of Canada.",
year = "1998",
month = jun,
doi = "10.1007/s002650050457",
language = "English",
volume = "42",
pages = "431--436",
journal = "Behavioral Ecology and Sociobiology",
issn = "0340-5443",
publisher = "Springer Verlag",
number = "6",
}