diff --git a/backend/project/api/serializers/observations.py b/backend/project/api/serializers/observations.py
index bc16b3f..131920e 100644
--- a/backend/project/api/serializers/observations.py
+++ b/backend/project/api/serializers/observations.py
@@ -109,4 +109,4 @@ def get_bbox(self, obj):
 
     class Meta:
         model = Area
-        fields = ("id", "name", "description", "bbox")
+        fields = ("id", "name", "description", "bbox", "min_zoom", "max_zoom")