diff --git a/src/propeller/gp.clj b/src/propeller/gp.clj
index 345ae64..afe1e09 100644
--- a/src/propeller/gp.clj
+++ b/src/propeller/gp.clj
@@ -14,6 +14,8 @@
     (println "Best total error:" (:total-error best))
     (println "Best errors:" (:errors best))
     (println "Best behaviors:" (:behaviors best))
+    (println "Genotypic diversity:" (float (/ (count (distinct (map :plushy pop))) (count pop))))
+    (println "Average genome length:" (float (/ (reduce + (map count (map :plushy pop))) (count pop))))
     (println)))
 
 (defn gp