(A) Male ruff ... [+] morphs differ in ornamental plumages ... such as sneaking — these are the Faeder male ruffs — have low testosterone levels. In addition to high concentrations of ...

The rarer "Faeder" males take an ingenious approach: they are disguised as females, which lets them sneak unnoticed into the mating arenas. For the Satellites and Faeders, whose strategies aren't ...