Table 1. Dataset classes (categories) and the number of training and test stimuli.

Multiple different types of birds increased task difficulty, enforcing the models to learn specific features for each class. The remaining (bigger) animals were added for diversity.

Category	train	test
Bird 1	944	236
Bird 2	867	217
Bird 3	312	227
Bird 4	455	114
Bird 5	421	105
Bird 6	930	233
Bird 7	462	241
Elephant	700	175
Horse	290	72
Zebra	316	230