This is the 443rd most frequent Slovenian word.
svoja
"Svoja" means "her own," "his own," "its own," or "their own," depending on context.
In this case, "svoja" indicates possession of the feathers corresponding to each individual bird, the subject.
Vsaka ptica čisti svoja peresa.
Each bird cleans its own feathers.
The word "svoja" refers to Ana's own feelings, showing possession related to the subject 'Ana'.
Ana vedno zaščiti svoja občutja.
Ana always protects her feelings.
Here, "svoja" shows possession of the artworks by the children who are the subject of the sentence.