Data from: Evolutionary patterns of adaptive acrobatics and physical performance predict expression profiles of androgen receptor – but not oestrogen receptor – in the forelimb musculature

Matthew J. Fuxjager, Joy Eaton, Willow R. Lindsay, Lucie H. Salwiczek, Michelle A. Rensel, Julia Barske, Laurie Sorenson, Lainy B. Day & Barney A. Schlinger
1. Superior physical competence is vital to the adaptive behavioural routines of many animals, particularly those that engage in elaborate sociosexual displays. How such traits evolve across species remains unclear. 2. Recent work suggests that activation of sex steroid receptors in neuromuscular systems is necessary for the fine motor skills needed to execute physically elaborate displays. Thus, using passerine birds as models, we test whether interspecific variation in display complexity predicts species differences in the...
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