At the beach party, several kids proudly compared their belly-buttons and laughed about who had the most unusual one.

During the early morning walk, I was thrilled to spot a white-bellied nothura darting through the dry grass.

The yellow-bellied sapsucker pecked a neat row of holes in the birch trunk to drink its sap.

I watched yellow-bellied sapsuckers tap precise rows of sap wells into the birch trunks at dawn.

At dawn, a flock of white-bellied nothuras crossed the grassland, their quiet footsteps barely rustling the dry leaves.

While walking along the tide flats, I watched a flock of black-bellied plovers probing for food.

The expression 'wolf in one's belly' perfectly describes his ravenous hunger after the marathon.

She collects colorful belly button rings and stores them in a velvet box.

She showed off her new belly button ring at the beach.

A rufous-bellied kookaburra perched on a mangrove root, tilted its head, and let out a rolling laugh.