Answer:
The homes of tiny creatures that collect in corners if you aren't vigilant about dusting.
The ones in the sea are prickly, but the ones on the street might pickpocket you.
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
This small creature kills even the largest one.
In all the world, none can compare, to this tiny weaver, his deadly cloth so silky and fair.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.