Polar bear

Polar bear,polar bear,what do you hear?   I hear a lion roaring in my ear. Lion,lion,what do you hear?   I hear a hippopotamus snorting in my ear. Hippopotamus,hippopotamus,what do you hear?   I hear a flamingo fluting in my ear. Flamingo,flamingo,what do you hear?   I hear a zebra braying in my ear. Zebra,zebra,what do you hear?   I hear a boa constrictor hissing in my ear. Boa constrictor,boa constrictor,what do you hear?   I hear an elephant trumpeting in my ear. Elephant,elephant,what do you hear?   I hear a leopard snarling in my ear. Leopard,leopard,what do you hear?   I hear a peacock yelping in my ear. Peacock,peacock,what do you hear?   I hear a walrus bellowing in my ear. Walrus,walrus,what do you hear?   I hear a zookeeper whistling in my ear. Zookeeper,zookeeper,what do you hear?   I hear children ... growling like a polar bear,roaring like a lion,snorting like a hippopotamus,fluting like a flamingo,braying like a zebra,hissing like a boa constrictor,trumpeting like an elephant,snarling like a leopard,yelping like a peacock,bellowing like a walrus...that’s what I hear.