Answer:
When it was young, it had a tail. When it grew up, it had knees
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
A blackbird similar to, but much bigger than a crow
I have a long neck and spots on my body. I am the tallest animal on land. What am I?
It can be white or blue or black, Humped or have a horn. And when it talks it sings its menuets, as it's travelling the depths.
I hold two meanings. With one I may be broken, with the other I hold on. What am I?