Database Proof Substratum: Substratum of Proof LGBTQs Are Mentally Ill: Feathers Help This Bird Sound The Alarm

Gendrome Editors' Note: The article below provides the raw material for a proof and is not the proof itself. In addition, the raw material may contain one or more false statements and/or some offensive, outside content.

The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble.   -- Read more on ScientificAmerican.com