It's a penguin chick. It is 100% logical, but for the last few points you need to either assume the head shape, or use "non-local clues" / "second-order logic" by considering related clues at the same time.
My dear penguins, we stand on a great threshold! It's okay to be scared; many of you won't be coming back. Thanks to Batman, the time has come to punish all of God's children! First, second, third and fourth-born! Why be biased?! Male and female! Hell, the sexes are equal, with their erogenous zones BLOWN SKY-HIGH!!! FORWAAAAAAAAAAAAAARD MARCH!!! THE LIBERATION OF GOTHAM HAS BEGUN!!!!!