Table 1.

Species of nuts and other encased food items present at Taï and FBV (question mark indicates uncertainty about the species identity) and cracked with tools by chimpanzees and capuchins. Information about nut resistance, nutritional values and seasonality is also reported.

	capuchins FVB	chimpanzees Taï
nut species present nut cracked with tools (*)	* Catulè (Attalea barreirensis) * Tucum (Astrocaryum campestre) * Catulì (Attalea sp.) * Piassava (Orbignya sp.) * Naja (Attalea dubia?) * Tucum (Astrocaryum aculeatissimum?) * Pati (Syagrus cocoides) * Cashew (Anacardium occidentale) * Cashew (Anacardium othonianum?) Palmeira (Palmeira oleifera?) Buritì (Mauritia flexuosa) (E. Visalberghi 2004–2015, personal observations; [4,25,41])	* Coula (Coula edulis) * Panda (Panda oleosa) * Parinari (Parinari excelsa) * Detarium (Detarium senegalense) * Sacoglottis (Sacoglottis gabonensis) Irvingia (Irvingia gabonensis) Oil palm (Elaeis guineensis) Klainedoxa (Klainedoxa gabonensis) ([42]; C. Boesch 1979–1999, personal observations)
other food items cracked with tools	Fruta-danta (fam. Icacinaceae) Caroba (fam. Bignoniaceae) Manioca-brava (fam. Euphorbiaceae) [4,25]	none
peak-force-at-failure of the most commonly cracked nuts	Catulè = 5.1 kN Tucum = 5.6 kN Catulì = 8.2 kN Piassava = 11.5 kN [41]	Coula = 2.7 kN, Panda = 12.2 kN [41]
energy content kcal/100 g	Tucum = 487 Catulì = 651 Piassava = 664 Cashew Anacardium spp. = 580 [43]	Coula = 356 Panda = 407 Parinari = 539 Detarium = 274 [42]
protein content g/100 g of dry weight	Tucum = 9 Catulì = 10 Piassava = 10.5 Cashew Anacardium spp. = 25 (W. Mattos 2008, unpublished data; [43])	Coula = 5.3 Panda = 17.8 Parinari = 8.7 Detarium = 7.2 [42]
nut seasonality	Catulè = May–September > October–April Tucum = not seasonal Catulì (not assessed) Piassava = not seasonal Cashew = September–November [4,39]	Coula = November–March Panda = January–October Parinari = June–October Detarium = December–January [9,42]