Couchant

The dogs, with eager yelp, / Are struggling to be free; / The hawks in frequent stoop / Token their haste for flight; / And couchant on the saddle-bow, / With tranquil eyes, and talons sheath’d, / The ounce expects his liberty.

Source: wiktionary

There were the tawny rocks, like lions couchant, defying the ocean, whose waves incessantly dashed against and scoured them with vast quantities of gravel.

Source: wiktionary

Two figures faced each other, large, austere; / A couchant sphinx in shadow to the breast, / An angel standing in the moonlight clear; […]

Source: wiktionary

Or again, have you ever watched fine collie dogs couchant at twenty yards' distance?

Source: wiktionary