Also 'The Forge of God' [0] by Greg Bear [1987]: "We've been sitting in our tree chirping like foolish birds for over a century now, wondering why no other bir

Also 'The Forge of God' [0] by Greg Bear [1987]: "We've been sitting in our tree chirping like foolish birds for over a century now, wondering why no other birds answered. The galactic skies are full of hawks, that's why. Planetisms that don't know enough to keep quiet, get eaten". [0] https://en.wikipedia.org/wiki/The_Forge_of_God https://en.wikipedia.org/wiki/The_Forge_of_God