Table 4.

Mean hardness for non-variable mass invertebrate prey items

Prey typeNHardness (N)
Apple2522.23±6.58
Beetle142.41±0.48
Cricket361.66±0.91
Field cricket902.58±1.52
Locust252.32±2.01
Mealworm342.59±1.07
Superworm153.06±0.70
Waxworm301.12±0.31
  • Data from Herrel (Herrel et al., 1999) and A. Herrel and J. Meyers, unpublished data

    N, number of prey items measured. Values are means ± s.d.