1. Adriaensen F, Dhondt AA (1990) Population dynamics and partial migration of the European robin (Erithacus rubecula) in different habitats. J Anim Ecol 59:1077–1090
2. Adriaensen F, Dhondt AA, Matthysen E (1990) Bird migration. Nature 347:23
3. Archaux F (2003) Birds and climate change. Life Environ 53:33–41
4. Bell CP (2005) Inter- and intrapopulation migration patterns. Ideas, evidence, and research priorities. In: Greenberg R, Marra PP (eds) Birds of two worlds. The ecology and evolution of migration. Johns Hopkins University Press, Baltimore, pp 44–52
5. Berthold P (1984) The control of partial migration in birds: a review. Ring 10:253–265