percher vs Insessores

percher and Insessores both are nouns.

Word	Noun	Adjective	Verb	Adverb
percher	Yes	No	No	No
Insessores	Yes	No	No	No

As nouns, percher and Insessores are synonyms defined as:

percher and Insessores: a bird with feet adapted for perching (as on tree branches); this order is now generally abandoned by taxonomists

Other synonyms of percher include order Insessores, perching bird.

percher (noun)	Insessores (noun)
a bird with feet adapted for perching (as on tree branches); this order is now generally abandoned by taxonomists	a bird with feet adapted for perching (as on tree branches); this order is now generally abandoned by taxonomists
a person situated on a perch