Subjective resource value affects aggressive behavior independently of resource-holding-potential and color morphs in male common wall lizard. - Sacchi, Roberto; Coladonato, Alan J.; Battaiola, Mara; Pasquariello, Carlotta; Buratti, Simone; Matellini, Cristian; Mangiacotti, Marco; Scali, Stefano; Zuffi, Marco A. L. (Journal of Ethology, 2021)