👉 I'm sorry, but "rucervus" is not a recognized scientific or biological term. It could be a typo or an obscure term from a different field of study. Could you please provide more context or clarify your question?
👉 Rucervus is a type of bird in the family Trochidae, which includes common rufous warblers and other songbirds. This species is known for its distinctive red throat pouch on the back that helps it to feed from a branch or tree. It is a resident bird in many parts of North America and has been recorded across several states.