Xenopes or xenopses, either is correct.
These.
The word teeth is the plural version of the word tooth.
It is just full. There is no actual plural form
"Obstacles" is a plural word. Its singular version is "obstacle". Ray
Xenops are found in Mexico, Central America and South America. There are several different types of Xenops. · Great Xenops (megaxenops parnaguae) · Plain Xenops (cenops minutes) · Rufous-tailed Xenops (xenops milleri) · Slender-billed Xenops (xenops teniurostris) · Streaked Xenops (xenops rutilans)
There's no such word as davide, did you mean divide? The plural of divide is divides.
Examples: He is annoying. They are annoying. We are annoying. You are annoying. There's not a plural version of the word.
"is" plural version is "son"
Lis pendens is considered a singular and plural version of the word. You would NOT spell it "lis pendenses" as the plural. You simply use the same word as singular and plural.
I believe that the pluralized version of the word gulf is just gulfs.
A type of small bird, "xenops" is pronounced "zenn-ops".
Singular. "Porpoises" is the pural version of porpoise.