diff --git a/src/wuttafarm/web/views/animals.py b/src/wuttafarm/web/views/animals.py
index 241f1bb..734763b 100644
--- a/src/wuttafarm/web/views/animals.py
+++ b/src/wuttafarm/web/views/animals.py
@@ -127,6 +127,7 @@ class AnimalTypeView(AssetTypeMasterView):
 
         # sex
         g.set_enum("sex", enum.ANIMAL_SEX)
+        g.filters["sex"].verbs = ["equal", "not_equal"]
 
         # archived
         g.set_renderer("archived", "boolean")
@@ -204,6 +205,7 @@ class AnimalAssetView(AssetMasterView):
 
         # sex
         g.set_enum("sex", enum.ANIMAL_SEX)
+        g.filters["sex"].verbs = ["equal", "not_equal"]
 
     def render_animal_type_for_grid(self, animal, field, value):
         url = self.request.route_url("animal_types.view", uuid=animal.animal_type_uuid)