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	1.	Are orientation mechanisms among migratory birds speciesospecific? [electronic resource] by Helbig, A J Producer: 20121002 In: Trends in ecology & evolution vol. 5 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Experimental and analytical techniques used in bird orientation research. [electronic resource] by Helbig, A J Producer: 19920320 In: EXS vol. 60 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Evolutionary genetics: a ring of species. [electronic resource] by Helbig, A J Producer: 20051013 In: Heredity vol. 95 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Evolutionary history of New and Old World vultures inferred from nucleotide sequences of the mitochondrial cytochrome b gene. [electronic resource] by Seibold, I Helbig, A J Producer: 19960313 In: Philosophical transactions of the Royal Society of London. Series B, Biological sciences vol. 350 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Molecular phylogeny of Palearctic-African Acrocephalus and Hippolais Warblers (Aves: Sylviidae). [electronic resource] by Helbig, A J Seibold, I Producer: 19990511 In: Molecular phylogenetics and evolution vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Are storks and New World vultures paraphyletic? [electronic resource] by Helbig, A J Seibold, I Producer: 19970131 In: Molecular phylogenetics and evolution vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Genetic differentiation and phylogeography of gulls in the Larus cachinnans-fuscus group (Aves: Charadriiformes). [electronic resource] by Liebers, D Helbig, A J de Knijff, P Producer: 20020212 In: Molecular ecology vol. 10 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Weak phylogenetic effects on ecological niches of Sylvia warblers. [electronic resource] by Böhning-Gaese, K Schuda, M D Helbig, A J Producer: 20031209 In: Journal of evolutionary biology vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Enigmatic phylogeny of skuas (Aves:Stercorariidae) [electronic resource] by Cohen, B L Baker, A J Blechschmidt, K Dittmann, D L Furness, R W Gerwin, J A Helbig, A J de Korte, J Marshall, H D Palma, R L Peter, H U Ramli, R Siebold, I Willcox, M S Wilson, R H Zink, R M Producer: 19970429 In: Proceedings. Biological sciences vol. 264 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)