Cite
MLA Citation
Ivana Novčić and Zoran Vidović. “Nearest-neighbour distance, rather than group size, affects vigilance in urban flocks of preening Black-headed Gulls Chroicocephalus ridibundus.” Bird study, vol. 68, no. 2, 2021, pp. 174–182. http://access.bl.uk/ark:/81055/vdc_100182007915.0x000002