First: The Red Capped Mannikin, a bird that dances much, much better than the biologists that study it.
Click to view
And second: I watched this video late at night. Very, very late. Alone. In a storm. My combined fears of zombies and ants(the former visceral, the latter intellectual) made me absolutely lose my shit. Yeah, yeah, laugh. And although it's blasphemy to speak against David Attenborough(I love him so), but there was a female narrator on the version I watched who made it terrifying. You have no idea what's going on until she says in a threatening, hushed voice: "Now. Watch its head." And then... well... this.
Click to view
And on the topic of mind-controlling parasites that burst forth gruesomely from their victim's head...
Click to view
Yes. Those are its eye stalks those worms are squirming out of. And it REGENERATES. It remains in a fucking undead state, having its eyes eaten every day. That's what I call WTF, Nature.