Table 1.

The number of pictures and monkeys in the present dataset from each source.

Source	Monkey Species	No. of Pictures	No. of Monkeys
Toyama Municipal Family Park Zoo	Japanese Macaque	3,784	4,952
Itozu no Mori Zoological Park	Japanese Macaque	1,312	1,622
Primate Research Institute	Japanese Macaque	1,641	2,131
Inokashira Park Zoo	Rhesus Macaque	2,747	3,203
Tobu Zoo	Rhesus Macaque	2,461	2,755
Google Open Images	Various	1,138	1,730
Total		1,3083	1,6393