Crows are highly intelligent and very resourceful creatures, capable of learning complex skills, and even manufacturing their own tools.
They have been known to remember human faces and are excellent at observing their environment to plan and predict events, adapting to this for their own benefit.
They have been found dropping walnuts on to pavements from a great height to crack them open, bending wires into hooks to help obtain food from hard to reach places, and even memorizing the schedule of the garbage collections so they know when to arrive to pick up some treats.
Crows also display their intelligence and adaptability when it comes to building nests. While nests are usually made of twigs and various types of wires used to strengthen the structure, residents of Tokyo have discovered crows in the city have began to use coat hangers instead.
With so few trees in the city centre, it’s a challenge for crows to find the usual natural materials they tend to use, so they have been resorting to stealing coat hangers from people’s apartments when they are not looking.
The nests are very impressive and look like works of modern art.
Nests made from hangers have also been found in other Japanese cities. Crows in Fukuoka City build nests on top of power lines during breeding city, which pose a risk of large blackouts due to short circuiting. This resulted in the power company Kyushu Electric sending out “crow patrols” to locate and remove hanger nests on their power grid.