Regular ArticleThe effect of social dominance on fattening and food-caching behaviour in Carolina chickadees, Poecile carolinensis
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Cited by (42)
Understanding social behavior for better flock management
2017, Advances in Poultry WelfareBehavioural responses of Eastern grey squirrels, Sciurus carolinensis, to cues of risk while foraging
2015, Behavioural ProcessesCitation Excerpt :Previous studies demonstrate that while there are benefits to social foraging (reviewed in Galef and Giraldeau, 2001), for an asocial species like the grey squirrel (Koprowski, 1996) there are a number of costs associated with foraging nearby either conspecifics or heterospecifics who use the same resources. The increased competition for resources fosters a need to spend more time foraging (Pravosudov and Lucas, 2000), and the potential for agonistic encounters encourages more vigilance behaviour (Tarigan 1994), but is performed at a cost to foraging (Makowska and Kramer, 2007; Shonfield, 2011). Our study clarifies how grey squirrels respond to potential sources of competition while foraging in comparison to non-competitor species.
Adaptive management of body mass by Siberian jays
2013, Animal BehaviourCitation Excerpt :It is therefore unsurprising that offspring were larger than immigrants in our study. The other species lacking the predicted relationship between dominance and body mass are also species that hoard food (Pravosudov & Lucas 2000; Polo & Bautista 2002). Such species have been predicted to increase their hoard size instead of body mass in response to increased uncertainty.
Behavioural responses of sympatric rodents to complete pilferage
2011, Animal BehaviourBehavioural profile predicts dominance status in mountain chickadees, Poecile gambeli
2009, Animal BehaviourCitation Excerpt :We determined dominance rank by recording typical dominance interactions including aggressive interactions (the dominant bird attacked the subordinate while the subordinate bird offered no resistance) and passive displacements (the subordinate bird always gives way to the dominant bird; Lahti 1998; Pravosudov & Lucas 2000; Pravosudov et al. 2003). We always observed birds for at least 5 min (allowing for multiple interactions) before ending the dominance test, although dominance in pairs of male mountain chickadees is generally apparent after a single interaction, and reversals have not been observed following multiple interactions (Pravosudov & Lucas 2000; Pravosudov et al. 2003). In chickadees, dominance hierarchies are strictly linear without reversals, and the relationship between any two given birds reflects their dominance relationship within a social group (Ekman 1989; Hogstad 1989; Lahti 1998; Pravosudov & Lucas 2000; Ratcliffe et al. 2007).
- f1
Correspondence and present address: V. Pravosudov, Section of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616-8519, U.S.A. (email:[email protected]).
- f2
J. R. Lucas is at the Department of Biological Sciences, Purdue University, West Lafayette, IN 47907-1392.