Редактирование: Cognition in nonhuman animals (раздел)

=== Bees ===

Bees are capable of observational learning<ref name="bees-observation">Olli J. Loukola, Clint J. Perry, Louie Coscos, Lars Chittka.  (February 2017).  "Bumblebees show cognitive flexibility by improving on an observed complex behavior".  <i>Science</i>.  <b>355(6327):</b>833-836.  doi:[https://doi.org/10.1126/science.aag2360]</ref>, and can count and recognize quantities up to four.<ref name="counting-insects">Peter Skorupski , HaDi MaBouDi , Hiruni Samadi Galpayage Dona , and Lars Chittka.  (January 2018).  "Counting insects".  <i>Philosophical Transactions of The Royal Society B: Biological Sciences</i>.  <b>373(1740)</b>.  doi:[https://doi.org/10.1098/rstb.2016.0513]</ref>  They are also able to grasp zero as a quantity and order it lower than one in a counting sequence.<ref name="bees-zero">Scarlett R. Howard, Aurore Avarguès-Weber2, Jair E. Garcia1, Andrew D. Greentree, Adrian G. Dyer.  (June 2018).  "Numerical ordering of zero in honey bees".  <i>Science</i>.  <b>360(6393)</b>: 1124-1126.  doi:[https://doi.org/10.1126/science.aar4975]</ref>