Viktstudier

Weight studies

Historisk och geografisk bakgrund
Weight status and daily distance flown by Swedish Reed Buntings Emberiza schoeniclus in autumn, by Ulf Lundwall and Christer Persson.
Swedish Reed Buntings migrate to the Mediterranean area at an average speed of 42 km/day. Resting birds in SW Scania increase their weight at a rate of 0.2 g/hour, converting this food into some 0.4 - 0.5 g of fat per day.
Svensk version av ovanstående: Viktstatus och daglig flygsträcka för svenska sävsparvar Emberiza schoeniclus på hösten, av Ulf Lundwall och Christer Persson.
Weights, fat levels and distances flown by migrating Scandinavian Yellow Wagtails Motacilla flava in autumn, by Ulf Lundwall and Christer Persson.
Scandinavian Yellow Wagtails migrate with rather small fat deposits and have a slow but steady linear mean progress over the European mainland: 74 km/day.
Viktstudier på trädpiplärkan under höststräcket i sydvästra Skåne
Presentation av viktdata från en studie av flyttande trädpiplärkor på fyra lokaler i SV-Skåne
Notes on biometry, sex determination and moult in Little Tern Sterna albifrons by H. Behmann and C. Persson