Answer:
What build its house with earthen string and ensnares its prey with a biting sting?
I am an animal named after the animal that I eat.
Dark, feathery, and popular in Baltimore and fantasy books.
I'm a large gray animal with a trunk and tusks. What am I?
I have a pouch on my belly where I carry my babies. I hop around Australia. What am I?
I love spinach.