University of Exeter. "Jackdaws switch friends to gain food -- but stick with family." ScienceDaily. ScienceDaily, 11 September 2023. <www.sciencedaily.com / releases / 2023 / 09 / 230911141028.htm>.

For jackdaws—black and gray relatives of crows—family comes first, according to a recent study published last month in Nature Communications. Scientists put these cognitively complex birds to ...