After a quick Google I found several older articles that do mention the caloric intake of the Tsimané [1]. It is curious that the BBC article left that out. 1:

After a quick Google I found several older articles that do mention the caloric intake of the Tsimané [1]. It is curious that the BBC article left that out. 1: https://www.inverse.com/article/50572-tsimane-amazon-healthy-heart-high-calorie-diet https://www.inverse.com/article/50572-tsimane-amazon-healthy...