[robhunter]

"the right to know and be cared for by his or her parents."

[Alupis]

It clearly does not say biological parents.

A parent can simply be a "caregiver of the offspring in their own species"[1]

[1] https://en.wikipedia.org/wiki/Parent

[robhunter]

The very first "type" of parent listed in the Wikipedia article you're citing are biological parents.