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Bisected8
MOD
(Primordial Chaos)
2014-05-22 14:34:38
I can't find anything specific, but these are close (and might cover it);
- Evil-Detecting Dog - Animals providing a warning in general (it doesn't mention if fleeing swarms count).
- Portent of Doom - For ominousness signs in general.
- Bat Scare - This specifically involves the swarm frightening the character in question first, but the description does mention they can be fleeing.
KZN02
(4 Score & 7 Years Ago)
phalanx
Since: Jun, 2012

Is there a trope about fleeing animals as a sign of incoming danger?