diff --git a/data/Group1/Animal1/domain_contours/z_0.0.txt b/data/Group1/Animal1/domain_contours/z_0.0.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c102ce42774058568abd4253b6d50b24b7bcc6e7
--- /dev/null
+++ b/data/Group1/Animal1/domain_contours/z_0.0.txt
@@ -0,0 +1,5 @@
+     0.0     0.0
+     0.0  1000.0
+   500.0  1500.0
+  1000.0  1000.0
+  1000.0     0.0