diff --git a/games/age-of-dwarves/data/world/fauna/air.json b/games/age-of-dwarves/data/world/fauna/air.json
new file mode 100644
index 00000000..f717c6bb
--- /dev/null
+++ b/games/age-of-dwarves/data/world/fauna/air.json
@@ -0,0 +1,12 @@
+{
+  "nesting_terrains": [
+    "temperate_forest",
+    "tropical_rainforest",
+    "boreal_forest",
+    "montane_forest",
+    "cloud_forest",
+    "savanna"
+  ],
+  "migration_range": 5,
+  "altitude_preference": "low"
+}
diff --git a/games/age-of-dwarves/data/world/fauna/land.json b/games/age-of-dwarves/data/world/fauna/land.json
new file mode 100644
index 00000000..1c7b9ad1
--- /dev/null
+++ b/games/age-of-dwarves/data/world/fauna/land.json
@@ -0,0 +1,16 @@
+{
+  "undergrowth_weight": 0.6,
+  "canopy_weight": 0.2,
+  "fungi_weight": 0.2,
+  "habitat_abandon_threshold": 0.3,
+  "habitat_abandon_turns": 10,
+  "habitat_thriving_threshold": 0.7,
+  "capacity_per_10_tiles": 20.0,
+  "maturity_age_base": 5,
+  "max_age_base": 40,
+  "quality_up_turns_base": 10,
+  "health_feed_rate": 0.08,
+  "health_starve_rate": 0.04,
+  "health_old_age_rate": 0.03,
+  "health_quality_mismatch_rate": 0.02
+}
diff --git a/games/age-of-dwarves/data/world/fauna/marine.json b/games/age-of-dwarves/data/world/fauna/marine.json
new file mode 100644
index 00000000..4622797d
--- /dev/null
+++ b/games/age-of-dwarves/data/world/fauna/marine.json
@@ -0,0 +1,17 @@
+{
+  "whale_min_quality": 2,
+  "whale_min_depth": 1,
+  "whale_max_depth": 8,
+  "whale_proximity_weighted": false,
+  "lake_min_size_for_1_fish": 2,
+  "lake_min_size_for_2_fish": 4,
+  "lake_guaranteed": true,
+  "reef_growth_rate": 0.01,
+  "reef_bleach_temp": 0.75,
+  "fish_reproduction_rate": 0.1,
+  "fish_capacity_reef_bonus": 0.5,
+  "fish_capacity_reef_penalty": -0.5,
+  "fish_temp_scale_tropical": 1.0,
+  "fish_temp_scale_temperate": 0.7,
+  "fish_temp_scale_polar": 0.3
+}