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diff --git a/nlas_tools.md b/nlas_tools.md
index 84f38c29c59c99d79a4c20e926ccd4eab1db843e..2fc820f6c1113799b509459a89432029281ed105 100644
--- a/nlas_tools.md
+++ b/nlas_tools.md
@@ -155,4 +155,6 @@ _Activity_ contains a “summary” of the activity / different views on active/
 -	perc_no_lying_nan = percentage of the day the cow is not in the cubicles incl. nans
 
 
-
+**Ethograms**
+![example of ethogram ](/documentation/spatial_cow_495_20221001.png)
+![example of ethogram ](/documentation/spatial_cow_907_20221001.png)
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