Update README.md

README.md

@@ -80,6 +80,9 @@ The accompanying model trained on this dataset can be found here [EarthSpeciesPr
 * Shared by: Earth Species Project
 * Language(s) (NLP): English
 
+### Coverage of taxonomic groups
+The NatureLM-audio-training dataset, though diverse, still leans toward bird species.
+![Species distribution][naturelm-audio-training_data_hierarchy_sunburst.png]
 
 ## Usage
 ```python
@@ -93,8 +96,9 @@ print(dataset)
 ```python
 import numpy as np
 
+# Inspect the first example in the dataset
 x = ds[0]
-audio = np.array(x["audio"])
+audio = x["audio"]["array"]
 print(audio.shape)  
 # (503808,)