Tag: all of Acrocephalus

Stabilising selection on wing length in reed warblers Acrocephalus scirpaceus

Reed-Warbler (Acrocephalus scirpaceus) Science Article 6 abstract The size of an animal is of utmost importance for its overall success and each species is thought to have its own optimal size. If this is true, size traits ought to be under stabilising selection unless the animal is living in a highly unstable environment. Wing length […]

Migration routes of North European Reed Warblers Acrocephalusscirpaceus

Reed-Warbler (Acrocephalus scirpaceus) Science Article 5 abstract Migration routes of expanding North European Reed Warbler populations were investigated by means of more than 2500 recoveries of birds ringed in Norway, Sweden and Finland. We found different autumn directions: from Norway SSW 195 deg -200 deg , from Sweden SSW-SW 211 deg -216 deg , and […]

Gap crossing decisions by reed warblers (Acrocephalus scirpaceus)in agricultural landscapes

Reed-Warbler (Acrocephalus scirpaceus) Science Article 3 abstract To meet the need for research on the requirements for corridors for marshland birds, this study set out toquantify gap crossing decisions made by reed warblers moving through the landscape. In three experiments,reed warblers were released into landscape situations with di?erent gap sizes and their movement towardsreed patches […]

Intraspecific variation in the wing shape of the long-distance migrant Reed Warbler Acrocephalus scirpaceus: effects of age and distance of migration

Reed-Warbler (Acrocephalus scirpaceus) Science Article 1 abstract The wing morphology of Reed Warblers Acrocephalus scirpaceus was studied during the breeding and non-breeding cycle in a western Mediterranean area. Wing morphology was first analysed by means of a principal component analysis (PCA) on primary lengths, which corrects for allometric effects on wing shape. Two-way ANOVAs were […]

Movement patterns of European Reed Warblers Acrocephalus scirpaceus and Sedge Warblers A. schoenobaenus before and during autumn migration.

Reed-Warbler (Acrocephalus scirpaceus) Science Article 7 abstract The foraging movements of European Reed Warblers Acrocephalus scirpaceus and Sedge Warblers Acrocephalus schoenobaenus at migratory stopover sites were studied by comparing the frequency distribution of distances between capture-recapture localities of individual birds with a simulation model of a random distribution of movements. The results indicate that Reed […]

Antiparasite behaviour in response to experimental brood parasitism in the great reed warbler: a comparison of single and multiple parasitism

Great Reed-Warbler (Acrocephalus arundinaceus) Science Article 1 abstract Rejection of parasitic eggs is one of the most important adaptations of avian hosts against brood parasites. Multiple brood parasitism is relatively rare in hosts of the common cuckoo (Cuculus canorus), but naturally occurs when the rate of parasitism is high. We experimentally parasitised great reed warbler […]

Potential food resources and nestling food in the Great Reed Warbler (AcrocephMus arundinaceus arundinaceus) and Eastern Great Reed Warbler ( A crocephalus arundinaceus orientalis)

Great Reed-Warbler (Acrocephalus arundinaceus) Science Article 2 abstract The main ecological difference between the Great Reed Warbler (Acrocephalus arundinaceus arundinaceus) and Eastern Great Reed Warbler (Acrocephalus acrocephalus orientalis) lies in the density of breeding population, which in the Eastern subspecies studied in Japan is on average 10 times higher than that of European populations of […]