mono no aware (Japanese 物の哀れ] lit. "the pathos of things", also translated as "an empathy toward things", or "a sensitivity to ephemera". the gentle wistfulness at the transience of things and the awareness of the sadness of existence.
Corvid is the bird family that includes crows, ravens, magpies and jays. They are incredibly smart birds, and very sociable. Corvids have proven that they are capable of conscious problem-solving and making and using tools to achieve their goals.