sky island n. an isolated ecosystem occurring at a high altitude, such as on a mountain top, which shows evolutionary tendencies similar to those occurring on islands surrounded by water. (source: Double-Tongued Dictionary)
Further reading
There’s an atmospheric phenomenon that resembles the Northern Lights, and it’s called STEVE. That’s because citizen scientists used that name among themselves when discussing these glowing ribbons of color in the sky. They settled...
How do actors bring Shakespeare’s lines to life so that modern audiences immediately understand the text? One way is to emphasize the names of people and places at certain points. That technique is called billboarding. And: Anyone for an...