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Doorstep is a jumble of debris: clay, straw, twigs. Some moments pass before I notice three baby house martins among the mess, a couple of days old, dead. An almost imperceptible motion - one of the babies is moving.
BibSonomy is offered by the KDE group of the University of Kassel, the DMIR group of the University of Würzburg, and the L3S Research Center, Germany.