Hessel, Rebecca, and Johan Elmberg. “Nesting Biology of the Hooded Crow Corvus Corone Cornix in a Mixed residential–agricultural Area in Southern Sweden”. Ornis Svecica 20, no. 2 (April 1, 2010): 87–92. Accessed May 5, 2024. https://journals.lub.lu.se/os/article/view/22633.