diff --git a/pyinaturalist/controllers/observation_controller.py b/pyinaturalist/controllers/observation_controller.py
index fb6b4920..e78e24d4 100644
--- a/pyinaturalist/controllers/observation_controller.py
+++ b/pyinaturalist/controllers/observation_controller.py
@@ -39,7 +39,6 @@
     upload,
 )
 
-# TODO: Just a guess; test maximum allowed IDs per request
 IDS_PER_REQUEST = 30
 
 
diff --git a/pyinaturalist/controllers/taxon_controller.py b/pyinaturalist/controllers/taxon_controller.py
index 1aadc402..ca555391 100644
--- a/pyinaturalist/controllers/taxon_controller.py
+++ b/pyinaturalist/controllers/taxon_controller.py
@@ -58,7 +58,7 @@ def populate(self, taxon: Taxon, **params) -> Taxon:
         full_taxon = self.from_ids(taxon.id, **params).one()
         for key in set(fields_dict(Taxon).keys()) - preserve_keys:
             # Use getters/setters for LazyProperty instead of temp attrs (cls.foo vs cls._foo)
-            if hasattr(key, key.lstrip('_')):
+            if hasattr(taxon, key.lstrip('_')):
                 key = key.lstrip('_')
             setattr(taxon, key, getattr(full_taxon, key))
         return taxon