Citation: A. Roulin, Food supply differentially affects sibling negotiation and competition in the barn owl (Tyto alba), BEHAV ECO S, 49(6), 2001, pp. 514-519
Citation: A. Roulin et al., Effect of brood size manipulations on parents and offspring in the barn owl Tyto alba, ARDEA-T NED, 87(1), 1999, pp. 91-100
Citation: A. Roulin, Delayed maturation of plumage coloration and plumage spottedness in the barn owl (Tyto alba), J ORNITHOL, 140(2), 1999, pp. 193-197