@article {41645,
	title = {Population size and differential population growth of introduced Greater Canada Geese Branta canadensis and re-established Greylag Geese Anser anser across habitats in Great Britain in the year 2000},
	journal = {Bird Study},
	volume = {54},
	year = {2007},
	pages = {343{\textendash}352},
	author = {Austin, Graham E and Rehfisch, Mark M and Allan, John R and Holloway, Steve J}
}
@article {doi:10.1080/00063659909461131,
	title = {Aspects of the biology of Egyptian Goose Alopochen aegyptiacus colonizing The Netherlands},
	journal = {Bird Study},
	volume = {46},
	number = {2},
	year = {1999},
	pages = {195-204},
	doi = {10.1080/00063659909461131},
	url = {http://dx.doi.org/10.1080/00063659909461131},
	author = {R. Lensink}
}
@article {Taylor2010,
	title = {Do moulting Greylag Geese Anser anser forage in proximity to water in response to food availability and/or quality?},
	journal = {Bird Study},
	volume = {47},
	number = {3},
	year = {2000},
	pages = {266{\textendash}274},
	isbn = {0006365000},
	issn = {0006-3657},
	doi = {10.1080/00063650009461186},
	url = {http://www.tandfonline.com/doi/abs/10.1080/00063650009461186},
	author = {Fox, A.D. and Kahlert, J}
}
