File:Fig. 1.jpg

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    Figure 1. Two juvenile male rats are shown, at about 35 days old, engaging in a play fight in which they compete for access to the napes of each other’s necks. One rat approaches from behind towards the nape of the partner’s neck (a, b). The partner then defends by turning to face (c, d), but is knocked over on to its back (e-g). The rats struggle to gain access at each other’s napes as the original attacker stands over the supine partner (i-l), until the rat on the bottom pushes the partner off (m, n) and then launches its own attack to the nape from the rear (o) (From Pellis & Pellis (1987), copyright 1987 by Wiley. Copied with permission).

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    current04:20, 27 August 2012Thumbnail for version as of 04:20, 27 August 20123,538 × 4,535 (1.72 MB)Vivien Pellis (Talk | contribs)Figure 1. Two juvenile male rats are shown, at about 35 days old, engaging in a play fight in which they compete for access to the napes of each other’s necks. One rat approaches from behind towards the nape of the partner’s neck (a, b). The partner t

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