NDLI: Inter-male aggression in relation to female availability and residence status in corn mice Calomys musculinus

Content Provider	Springer Nature Link
Author	Steinmann, Andrea R. Priotto, José W.
Copyright Year	2010
Abstract	We conducted an experimental study to test the hypothesis that, at low female availability, males show intrasexual aggressive behaviour and home range owners are more aggressive than home range intruders. Using field dyadic arena test, we carried out 35 male–male trials in four 0.25 ha enclosures, two male-biased (experimental enclosures) and two unbiased (control enclosures). Dyadic encounters were conducted between unrelated and sexually mature males of similar weight and age which established home ranges in the same enclosure at the same trapping session. Each inter-male encounter was performed in the home range of one of the opponents between the home range owner and a home range intruder. When sex ratios were male-biased, inter-male amicable behaviour was absent and we found significant rates of inter-male aggressiveness, being home range owners much more aggressive than intruders. In the unbiased enclosures, inter-male encounters resulted mainly in noninteractive or amicable interactions. We found that inter-male aggression varied in relation to female availability being more evident in home range owners.
Starting Page	81
Ending Page	89
Page Count	9
File Format	PDF
ISSN	00017051
Journal	Acta Theriologica
Volume Number	56
Issue Number	1
e-ISSN	21903743
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-03
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Aggressive behaviour Calomys musculinus Density Spacing behaviour Neotropical rodent Animal Anatomy Morphology Histology Evolutionary Biology Animal Ecology Behavioural Sciences Animal Physiology Zoology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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