diff --git a/params/darwin_finch.R b/params/darwin_finch.R
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+# !! PLEASE DO NOT EDIT THIS FILE !!
+# ** make a copy and edit that instead **
+# ________________________________________________
+# input parameters
+
+# sigma2: 0 < value < 5
+sig2 <-4.9
+
+# e.g. "anas_krystallinus"
+species.name <- "darwin_finch"
+
+# e.g. "red"
+color <- "aquamarine4"
+
+  # tip: pick a color using rstudio colour picker.
+  # Addins > Colour Picker (to install: install.packages("colourpicker"))