Table 1 Pounding stone tools and anvil general dimension for each site, presenting average, standard deviation, and range values.

From: Stone tools differences across three capuchin monkey populations: food’s physical properties, ecology, and culture

 

N

Weight (g)

mean ± SD, range

Length (mm)

mean ± SD, range

Width (mm)

mean ± SD, range

Thickness (mm)

mean ± SD, range

CVNP

Anvil

119

–

499 ± 270.9, 57–1750

315.3 ± 176.5, 90–870

162.5 ± 138.6, 20–900

Hammer

140

1672.2 ± 1050.6, 266–5700

152.8 ± 41.6, 71–285

102.8 ± 26.9, 52–195

74.5 ± 63.7, 20–790

SCaNP

Hammer

542

202.5 ± 209.1, 18–1900

70.1 ± 23.6, 31.5–210

52.2 ± 23.1, 24–427

37 ± 12, 14–84

SCoNP

Anvil

57

–

449.5 ± 256.9, 88–1410

309.4 ± 183.7, 48–970

–

Hammer

69

316 ± 254.4, 31.4–1409

96.6 ± 30.7, 44.7–210

56.8 ± 15.7, 29.8–95.3

33.6 ± 11.4, 12.5–66.8

  1. Sources: CVNP—Chapada dos Veadeiros National Park (this work), SCaNP—Serra da Capivara National Park19,31, SCoNP—Serra das Confusões National Park6. Anvil data for SCaNP is not presented because the previous work on the site did not register that measurement.
Back to article page