Sunday is Monkey Covers day here at YACB. Because there's nothing better than a comic with a monkey on the cover!
There are no signs at the zoo saying not to let the animals feed you, as Jughead learns on the cover of Jughead's Double Digest #152 (2010) by Jeff Shultz.
(Standard disclaimer about people-feeding gorillas not really being monkeys applies.)
Image courtesy of the GCD. Click on the image for a larger version.