Update README.md

README.md

@@ -96,6 +96,17 @@ Each image is paired with both:
   - `timestamp`: time of image capture
 All images were captured by trail cameras deployed across diverse ecological zones, and are stored per species as structured `.json` files.
 
+## Species Selection
+
+The six species in MetaWild were carefully selected to represent different ecological roles and conservation priorities in New Zealand:
+
+- **Stoat**: Invasive predator threatening native wildlife
+- **Yellow-eyed Penguin**: Endangered native species requiring urgent protection  
+- **Wallaby & Hare**: Agricultural pests causing ecosystem damage
+- **Deer & Pūkeko**: Native species with diverse behavioral patterns
+
+This selection ensures broad ecological coverage and practical relevance for wildlife monitoring applications.
+
 ---
 
 ## Dataset Construction