Puffins dig burrows with their bills and feet — ChillScroll

Two Atlantic Puffins digging at a grassy burrow entrance above the sea

Puffins dig burrows with their bills and feet

Atlantic Puffin pairs make a shallow tunnel in cliff-top soil, line its end with grass or twigs, and often return to the same burrow in later years.

Bright beaks outside, one familiar grass-lined room underneath.

Source · Cornell Lab of Ornithology ↗