A bova is a cockroach. A dax is a clam. Question: Which one of them is made of muscles? Answer: dax.
A wug is a sparrow. A kiki is a centipede. Question: Which one of them can sing? Answer: wug.
A toma is a zebra. A glorp is an owl. Question: Which one of them has good eyesight? Answer: glorp.
A blick is a hummingbird. A tufa is a bat. Question: Which one of them makes a humming sound? Answer: blick.
A fep is a penguin. A flib is a camel. Question: Which one of them produces wool? Answer: flib.
A zek is a butterfly. A zup is a monkey. Question: Which one of them can collect nectar? Answer: zek.