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Article
Nicholas Per Huffeldt, Auteur ; Iben Noes Aggerholm, Auteur ; Nathia Hass Brandtberg, Auteur ; Jacob Hjorth Jorgensen, Auteur ; Klaus Dichmann, Auteur ; Peter Sunde, AuteurCapsule Recovery distances of Barn Owls ringed as pulli are conditional on ringing date but not on population density. Aims To test whether ring recovery distances (proxy for natal dispersal distances) were conditional on population density and [...]
Article
Nicholas Per Huffeldt, Auteur ; Torben Dabelsteen, AuteurLow-frequency ambient noise is known to cause shifts in the song frequency of different species of songbirds, such as the Great Tit (Parus major). The present study was conducted to test the generality of these findings by measuring the distribu[...]
Article
Jannie Fries Linnebjerg, Auteur ; Nicholas Per Huffeldt, Auteur ; Knud Falk, Auteur ; Flemming R. Merkel, Auteur ; Anders Mosbech, Auteur ; Morten Frederiksen, AuteurLeg-mounted loggers are increasingly used in seabird activity studies, but few studies have validated the information obtained about bird behaviour with independent data. Using Brunnich's Guillemot Uria lomvia as a study species, we show by comp[...]
