In the children's classic "Is Your Mama A Llama?", Lloyd the llama searches the animal kingdom to find out how many of his friends have mama llamas. The calf's mama is a cow; the joey's mama is a kangaroo; the duckling's a duck... but alas, no inter-species mash-ups.
These videos, however, show that unexpected — and often food-chain-defying — filial relationships do exist in the animal world, from mother pigs raising baby tigers to mama tigers nurturing piglets.
Maybe it's time "Is Your Mama A Llama?" got a sequel.
Let us know which animal pair you love the most by voting on the slides below!