Photino Birds, Kardashev Scale Wiki

The Photino Birds are an ancient and extremely powerful species of dark matter entities from Steven Baxter's Xeelee Universe. They are the rivals of the Xeelee. They are composed entirely of dark matter and interact with normal matter only gravitationally. They are thus invisible, intangible, and effectively invulnerable; only extreme gravitational fields can harm them. They leech thermal energy from the cores of stars. Their attacks on the stars of the universe continued for billions of years.

Multiversal Organization Compendium, Page 6

Willet, Catoptrophorus semipalmatus

Phoria Cards - Near and Distance, Assessments: Bernell Corporation

Greydon Square Lyrics, Songs, and Albums

Paradisaea minor / Lesser bird-of-paradise in San Antonio Zoo

6.01 Classification Project by Patrick Truelove

Illustrations - Northern Cardinal - Cardinalis cardinalis - Birds of the World

Multiversal Organization Compendium, Page 6

Abusing the Kardashev Scale for Fun and Profit / Just For Fun - TV Tropes

Xeelee, Kardashev Scale Wiki

Northern Cardinal (Female)

Illustrations - Vermilion Cardinal - Cardinalis phoeniceus - Birds of the World

Kardashev scale - Wikipedia