King penguins usually have both black and white feathers with a slight tinge of yellow along their neck, giving them their signature tuxedo look. The yellow penguin is entirely void of all melanin ...

The standard black-and-white coloring found on penguins serves as camouflage that aids the bird in fishing, so it's unusual to find a penguin without it. “It is a fairly rare phenomenon ...

The penguin keeper at a zoo in Germany had to stop wearing his favorite black-and-white rubber boots after a male penguin fell in love with them. The penguin, known as Bonaparte, has been obsessed ...