Janiga, M. “Environmental Aspects of Phenotypic Plasticity in the Growth and Development of Semi-Altricial and Altricial Birds”. Oecologia Montana 14, no. 1-2 (December 1, 2005): 37-41. Accessed December 21, 2024. https://om.vuvb.uniza.sk/index.php/OM/article/view/183.