diff --git a/frigate/data_processing/real_time/bird.py b/frigate/data_processing/real_time/bird.py
index c97158695..9cc613268 100644
--- a/frigate/data_processing/real_time/bird.py
+++ b/frigate/data_processing/real_time/bird.py
@@ -109,7 +109,10 @@ class BirdRealTimeProcessor(RealTimeProcessorApi):
             obj_data["box"][1],
             obj_data["box"][2],
             obj_data["box"][3],
-            224,
+            max(
+                obj_data["box"][1] - obj_data["box"][0],
+                obj_data["box"][3] - obj_data["box"][2],
+            ),
             1.0,
         )