"Cranes form lifelong monogamous bonds.They can produce sounds that are heard at great distances due to their elongated trachea. Cranes are very vocal using several different types of calls. They also communicate with a fairly elaborate system of body language as well."
"A natural color, from the blue of the sky, blue is a universal color. The cool, calming effect of blue makes time pass more quickly and it can help you sleep. Blue is a good color for bedrooms. However, too much blue could dampen spirits."