Long-term population declines in Danish trans-Saharan migrant birds: Capsule Long-distance migrant birds show less favourable trends than sedentary/short-distance species.
Heldbjerg, Henning, Fox, Tony (A.D.)Volume:
55
Language:
english
Journal:
Bird Study
DOI:
10.1080/00063650809461532
Date:
November, 2008
File:
PDF, 392 KB
english, 2008