Several new papers on migratory songbirds
"Gene expression in the brain of a migratory songbird during breeding and migration" by John Boss, Miriam Liedvogel, Max Lundberg, Peter Olsson, Nils Reischke, Sara Naurin, Susanne Åkesson, Dennis Hasselquist, Anthony Wright, Mats Grahn and Staffan Bensch in Movement Ecology.
"Does migratory distance affect fuelling in a medium-distance passerine migrant?: results from direct and step-wise simulated magnetic displacement" by Mihaela Ilieva, Giuseppe Bianco, Susanne Åkesson in Biology open.
"A New View on an Old Debate: Type of Cue-Conflict Manipulation and Availability of Stars Can Explain the Discrepancies between Cue-Calibration Experiments with Migratory Songbirds" by Sissel Sjöberg and Rachel Muheim in Frontiers in Behaviorall Neurscience
"Migratory common blackbirds have lower innate immune function during autumn migration than resident conspecifics" by Cas Eikenaar and Arne Hegemann in Biology letters.