diff --git a/animal.md b/animal.md
index 9cef90e9f..403b110c0 100644
--- a/animal.md
+++ b/animal.md
@@ -1,10 +1,14 @@
 # Animal
 
 - A kind of [[living]] [[entity]].
+- [[go]] https://en.wikipedia.org/wiki/Animal
+  - [[quote]] [[multicellular]] [[eukaryotic]] [[organisms]] from the biological kingdown [[animalia]].
 - [[people]] are animals.
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [entity]: entity "Entity"
+[go]: go "Go"
+[quote]: quote "Quote"
 [people]: people "People"
 [//end]: # "Autogenerated link references"
\ No newline at end of file