Having red on the head: as, the red-capped snake, a venomous Australian species, Brachysoma diadema.
The Century Dictionary (Public Domain)
Use "red-capped" in a sentence
"They didn't begrudge them their government posts or the slopes where their homes sprang up like so many red-capped mushrooms."
"I saw a chaotic band of red-capped French schoolchildren, some wearing "I HEART Roma" T-shirts, followed by 25 orderly Japanese ladies, all in black, carrying cameras."
"This being the animated version, the gnomes come to life when people are not watching; but when red-capped Juliet meets blue-wearing Gnomeo, the ancient grudge is forgotten."