Crows Can Adopt Them Self With Humans

A news Japanese study has revealed that crows can recall color even after a year.Crows have a long term memory as compared to other birds on the planet when it comes to colors.
study by shoei sugita a professor of animal morphology conducted some experiments and came to a conclusion that crows when given food in a specific colored bowl remembered the same colour after a year.According to her many experiments were performed by changing the color of the container and even after a year crows came to the same container were they were feed last time.
She further said experiments were performed on many birds as food was given in the red and green container and yellow and blue containers were left empty.Crows were feed in groups for a certain time then after a year these crows were again brought to performed the experiment and we came to a conclusion that all the cows were able to recall the the same bowl were they were fed with food.
Crows are the only birds on earth that are present on every country in the wold.The reason being they can survive the hard conditions and they have the ability to live with the human behavior.
Many experiments are being performed on these crows so that there behavior of recognizing things can be used in a positive way.