What is this?

[MTremble143]

Hatched a day early due to excessive heat. Outside broody hen birth. 1 born 2 days early was dead before I found it.

 

[BrandonsBirbs]

Looks like their intestines. Help here: https://www.backyardchickens.com/threads/guts-or-intestines-hanging-out-of-chick.1210190/

Caused by too low humidity, high heats and / or a lack of egg turning. Hope you can help them!