diff --git a/words/tails.txt b/words/tails.txt
index 89acfc67d..a3968bf88 100644
--- a/words/tails.txt
+++ b/words/tails.txt
@@ -333,3 +333,10 @@ snares
 rockhopper
 royal
 macaroni
+bison
+buffalo
+gaur
+saola
+anoa
+banteng
+beefalo