Browsing NTNU Open by Author "Mutzel, Ariane"
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Effects of manipulated levels of predation threat on parental provisioning and nestling begging
Mutzel, Ariane; Olsen, Anne-Lise; Mathot, Kimberley J; Araya-Ajoy, Yimen; Nicolaus, Marion; Wijmenga, Jan J; Wright, Jonathan; Kempenaers, Bart; Dingemanse, Niels J. (Journal article; Peer reviewed, 2019)Parental provisioning behavior is a major determinant of offspring growth and survival, but high provisioning rates might come at the cost of increased predation threat. Parents should thus adjust provisioning activity ... -
Experimental manipulation of brood size affects several levels of phenotypic variance in offspring and parent pied flycatchers
Westneat, David F.; Mutzel, Ariane; Bonner, Simon; Wright, Jonathan (Journal article; Peer reviewed, 2017)Parental provisioning of offspring should reflect selection on life history aspects of parenting and on foraging behavior. Life history and foraging theory generally make predictions about mean behavior, but some circumstances ... -
Provisioning tactics of great tits (Parus major) in response to long-term brood size manipulations differ across years
Mathot, Kimberley J; Olsen, Anne-Lise; Mutzel, Ariane; Araya-Ajoy, Yimen; Nicolaus, Marion; Westneat, David F.; Wright, Jonathan; Kempenaers, Bart; Dingemanse, Niels J. (Journal article; Peer reviewed, 2017)Parents provisioning their offspring can adopt different tactics to meet increases in offspring demand. In this study, we experimentally manipulated brood demand in free living great tits (Parus major) via brood size ... -
Sources of (co)variation in alternative siring routes available to male great tits (Parus major)
Araya-Ajoy, Yimen; Kuhn, Sylvia; Mathot, Kimberley J; Mouchet, Alexia; Mutzel, Ariane; Nicolaus, Marion; Wijmenga, Jan J; Kempenaers, Bart; Dingemanse, Niels J. (Journal article; Peer reviewed, 2016)Males of socially monogamous species can increase their siring success via within-pair and extra-pair fertilizations. In this study, we focused on the different sources of (co)variation between these siring routes, and ...