An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Šulc M, Hughes AE, Mari L, Troscianko J, Tomášek O, Albrecht T, Jelínek V.Šulc M, et al. Among authors: hughes ae.Anim Cogn. 2022 Aug;25(4):991-1002. doi: 10.1007/s10071-022-01646-0. Epub 2022 Jul 1.Anim Cogn. 2022.PMID: 35778546
Hughes A, Liggins E, Stevens M.Hughes A, et al.Proc Biol Sci. 2019 May 15;286(1902):20190646. doi: 10.1098/rspb.2019.0646.Proc Biol Sci. 2019.PMID: 31088268Free PMC article.Review.