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As part of a study published in 2015, Lizel O'Dwyer and Susan Hazel conducted practical training with graduate students at the University of Adelaide in Australia.
Just a two-hour training session was enough to make students highly likely to recognize that chickens can feel all the emotions of boredom, frustration and joy.
They can count, have a degree of self-awareness, and even manipulate each other in ways that Machiavelli would not have disdained.
In fact, their intelligence is so high that even a short acquaintance with these birds can break ingrained stereotypes.
Chickens have communication skills on par with those of some primates.
They use complex signals to convey their intentions.
When making decisions, chickens take into account their own experience and knowledge related to the situation, and this helps them solve complex problems.
Most chickens and chickens love red and yellow.
The red waves penetrate their skulls and stimulate the hypothalamus of the brain very effectively.
This is why shades of red, yellow or orange are great colors to paint your coop and nests.