The horned adders curled up in the shade, waiting for passing rodents.

A biologist carefully photographed a horned adder basking on a rocky outcrop to document its unique cranial horns.

During the low tide, I spotted a sea adder hiding among the rocks.

The divers cautiously observed the sea adders slithering among the coral.

In the damp clearing, adder's-tongues sprouted between the moss and turned the path into a living tapestry.

In the dim light, the adder flies hovered above the swamp, their striped bodies barely visible.

While hiking in the bush, we spotted several death adders curled beneath the leaf litter.

The scientist recorded how the butterfly adders interacted with the native flowers during the survey.

The guide warned us to watch for the butterfly adder resting in the leaf litter, its distinctive pattern barely visible.

The engineer tested the half adder to ensure it produced the correct sum and carry outputs for all input combinations.