Find the error with subject-verb agreement. Select the incorrect verb and type it correctly. Goffin's cockatoo a highly intelligent species native to Indonesia are adept at learning new skills by observing other birds

use" is" in place of "are"

Explanation:

According to subject verb agreement rule of English grammar subject and the verb associated with it should agree in number i.e singular subject should take singular verb and plural verb will be used when subject is plural.

Here subject is Goffin's cockatoo which is a singular noun hence "is" is the correct verb to be used with this subject while "are" is used and should be replaced with "is".

ed brushes his teeth

explanation: