Nyctinasties, according to John Ben Hill (in 1936), “are the most common nasties.” Like all nasties, they don’t care where what they’re reacting to comes from – that’s what sets them apart from tropics.
Ah, tropics! Who – or what – doesn’t love following the sun? I’ll tell you: these nasties don’t. They don’t care which direction the sun goes, as long as it goes away. That’s why they’re nyctinasty. During the day, everything’s lain flat, basking in the sun, but when night comes, the blades flip up. As Peter V. Minorsky said (just last year), “the vertical orientation of the blades … would be especially beneficial to flying nocturnal predators … whose modus operandi is death from above.” Continue reading