Dumb Stupid Birds

Ruff | Three Males, One Frozen Gene | Dumb Stupid Birds #49

6 min · 31. maj 2026
episode Ruff | Three Males, One Frozen Gene | Dumb Stupid Birds #49 cover

Description

The ruff comes in three permanent kinds of male: one fights, one freeloads, and one disguises itself as a female to slip past both. Which one a ruff becomes is fixed before hatching, locked in a chunk of chromosome that flipped backwards around four million years ago. Inherit two copies and the embryo dies. It has balanced fighters, freeloaders and impostors at fixed odds since before our own kind existed.

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