The result isStarling, a follow-up to his well-received bookBlack Sun.

Using light and electron microscopes, he was able to photograph their feathers.

Starlingis set for release on December 26 and is available for purchase on the artist’swebsite.

Starling Mumurations by Søren Solkær

The publication comes on the heels of another important moment for the photographer.

On December 9, his exhibitionSren Solkr:Black Sunopens at Seattle’s National Nordic Museum.

Both the book and exhibition are an incredible opportunity to study his images in-depth.

Starling Mumurations by Søren Solkær

He has a knack for picking up on uncanny shapes and really exploring the sinuous curves of the flock.

Danish photographer Sren Solkr is known for his evocative photos of starling murmurations.

He has been following their formations across Europe, from the United Kingdom to Italy.

Starling Mumurations by Søren Solkær

He also has a new book,Starling, that is currently available for pre-sale.

Starling Mumurations by Søren Solkær

Starling Mumurations in Rome by Søren Solkær

Starling Mumuration in Rome at sunset by Søren Solkær

Starling Mumurations by Søren Solkær

Starling Mumurations by Søren Solkær

Starling Mumurations by Søren Solkær

Starling Mumurations by Søren Solkær

Starling Mumuration at sunset by Søren Solkær

Starling by Søren Solkær

Starling Feather by Søren Solkær

Close up looks at a starling feather

Close up looks at a starling feather

Starlings in Trees by Søren Solkær

Starlings in Trees by Søren Solkær