There are two accepted forms for possessive singular nouns ending in s:
Add an apostrophe (') after the existing s at the end of the word: ibis'
Add an apostrophe s ('s) after the existing s at the end of the word: ibis's
Examples:
This ibis' nest has three eggs.
This ibis's next has three eggs.
Note: If you are a student, use the form that is preferred by your teacher.
You may use ibis or ibises, both are correct.
The ibis isn't a person, it is a type of bird. The character of Doodle symbolizes the ibis.
a flock of ibis
mama ibis
Ibis Fernandez is 6'.
An African sacred ibis is another name for the sacred ibis, a species of wading bird in the ibis family, Latin name Threskiomis aethiopicus.
you draw an ibis by using a pencil and paper
Crocodiles are predators of the White Ibis.
Ibis the Invincible was created in 1940.
Hadada Ibis was created in 1790.
Flight of the Ibis was created in 1996.
Atherix ibis was created in 1798.