Yáñez, B., Muñoz, A.R., Bildstein, K., Newton, I., Toxopeus, A.G., Ferrer, M. 2014. Individual variation in the over-summering areas of immature Short-toed Snake Eagles Circaetus gallicus. Acta Ornithologica 49: 137 – 141.
Key words: delayed maturation, migration, raptor, satellite tracking, summering behaviour
Year: 2014