Sahara stopover in migratory flycatchers: fat and food affect the time program
- Cite this article as:
- Biebach, H. Experientia (1985) 41: 695. doi:10.1007/BF02007727
Migrating spotted flycatchers, resting and feeding in an oasis, have longer stopover periods when fat reserves on arrival are low. In the laboratory migratory activity could likewise be suppressed by a combination of two factors: low fat reserves and the possibility of feeding.