Dallas Lore Sharp reaching to grab an egg from underneath a nesting murre.

Dallas Lore Sharp climbing up a rock slope to see nesting murres.

A murre sitting on an egg in its nest on Three Arch Rocks.

A murre sitting on an egg in its nest on Three Arch Rocks.

A murre sitting on an egg in its nest on Three Arch Rocks. Downy cormorant chicks are visible in the nest to the left of the image.

A murre sitting on an egg in its nest on Three Arch Rocks.

Cormorants and murres nesting on the top Three Arch Rocks.

Cormorants and murres nesting on the top Three Arch Rocks.

Cormorants and murres nesting on the top Three Arch Rocks.

A nesting site for guillemott pigeons showing eggs.