...Susanne Åkesson; Johanna Grönroos; Giuseppe Bianco ABSTRACT We investigated the migratory orientation of early and late captured dunlins, Calidris alpina , by recording their migratory activity in circular orientation cages during autumn at a staging site in southwest Alaska and performed route...

... for tropotactic orientation in Atta sexdens . The detected time delays are in the same range as the time delays detected by termites. Chemical communication is also of great importance in foraging organization, and signals of different modalities may be combined in promoting the organization of collective...

... reliance on a magnetic compass. The findings support the hypothesis of a magnetic sense used for flight orientation in the armyworm Mythimna separata . * Author for correspondence ( [email protected] ) Competing interests The authors declare no competing or financial interests. 14 11...

... of nocturnal passerine migrants, the sedge warbler ( Acrocephalus schoenobaenus ), and the European robin ( Erithacus rubecula ) during autumn migration in South Sweden. The birds' orientation was recorded in circular cages under natural clear and simulated overcast skies in the local geomagnetic field...