The recurve-billed bushbirds darted between the reeds at dawn.

black-billed capercaillies foraged among the spruce and pine, their dark bills flashing as they moved.

At dawn, red-billed gulls gathered on the pier, crying loudly for scraps.

I watched black-billed magpies gather on the fence, chattering loudly as they sorted through the picnic scraps.

A red-billed gull swooped down and snatched a crab from the rocky shore.

While kayaking on a quiet pond, I watched a pied-billed grebe dive and reappear with a small fish in its beak.

During the late summer migration, yellow-billed loons gathered along the rocky coast, calling to one another as they prepared to head north.

At dawn, a group of pied-billed grebes glided across the marsh, disappearing among the cattails.

The zookeeper noted that duck-billed cats often use their broad snouts to sift through riverbank mud for crustaceans.

The old fishermen told tales of the giant duck-billed cat that lurked in the muddy bend of the river.