From Starbounder - Starbound Wiki
Avians have been known to attempt to take human companions with them to the afterlife.
There exists a variant, Human Sarcophagus (Alive), which emits muffled cries when interacted with.
|Apex :||A sarcophagus. It's human-shaped.|
|Avian :||Some of the first Avians amongst the stars had deep friendships with humans. This is an attempt to bring humans to the aether so they might also gain wings.|
|Floran :||Sssmells of human.|
|Glitch :||Observant. A human sits inside this sarcophagus.|
|Human :||Is that a human?|
|Hylotl :||This is not an Avian sarcophagus.|
|Novakid :||A sarcophagus shaped like a human. Is there a human body inside?|