One can challenge opponents more effectively on one's own ground, where familiarity breeds confidence.

While walking through the ancient oak wood, I was thrilled to spot a blue ground beetle crawling slowly under a damp log.

The gray ground squirrel darted into its burrow as the hikers approached.

A ruddy ground dove quietly foraged among the fallen seeds beneath the mango tree.

At dusk, the ruddy ground doves gathered beneath the eucalyptus, their soft coos blending with the evening breeze.

To strengthen its claim over the island, the government began to put facts on the ground by quietly stationing personnel and building small outposts.

By putting facts on the ground, the investigators aimed to dispel the misinformation spreading through social media.

When the investigator speaks publicly, she carefully puts facts on the ground to prevent misinformation from spreading.

The russet ground squirrel darted across the meadow, clutching a sunflower seed between its tiny paws.

A biologist observed Richardson's ground squirrel sunbathing on a rock while keeping watch for predators.