A bova is a donkey. A dax is an octopus. Question: Which one of them lives under water? Answer: dax.
A wug is a grasshopper. A kiki is an elephant. Question: Which one of them has a short tail? Answer: kiki.
A toma is a spider. A glorp is a sparrow. Question: Which one of them can fly? Answer: glorp.
A blick is a donkey. A tufa is a budgie. Question: Which one of them can sing? Answer: tufa.
A fep is an elephant. A flib is a wren. Question: Which one of them is a songbird? Answer: flib.
A zek is a donkey. A zup is a zebra. Question: Which one of them lives in jungles? Answer: zup.