- Script
- Mike Carey
- Pencils
- Scot Eaton
- Inks
- John Dell
- Colors
- Frank D'Armata
- Letters
- Joe Caramagna of Virtual Calligraphy (as Virtual Calligraphy's Joe Caramagna)
- Genre
- superhero
- Characters
- Professor X; Cyclops; Emma Frost [White Queen]; Wolverine; Beast; Nightcrawler; Cannonball; Wolfsbane [Rahne]; Iceman; Multiple Man [Jamie Madrox]; Bishop; Mercury; Trance; Hellion; Sebastian Shaw (villain); Jean Grey (cameo flashback); Mariko Yashida (cameo flashback); Sabretooth (cameo flashback); Angel (cameo flashback); Sentinel (cameo flashback)
- Synopsis
- The X-Men attend the funeral of a young mutant who was killed in a very mundane way and begin to mourn in despair as it appears that mutantkind is truly an endangered species with too few of them left to sustain their species.
Story continues in X-Men (Marvel, 2004 series) #200.
- Script
- ?
- Pencils
- Marc Silvestri
- Inks
- Marc Silvestri
- Colors
- Stjepan Šejić
- Letters
- typeset
- Genre
- superhero
- Characters
- Wolverine
Endangered Species checklist utilizing cover art for this comic with all of the other figures edited out except for Wolverine.