Skip to main content

Advertisement

Table 2 Measured adhesion performance of whole tree frogs (top) and of single limbs/toe pads (bottom; SP unless stated otherwise) on smooth dry substrates

From: Tree frog attachment: mechanisms, challenges, and perspectives

Reference Species Adhesion F Tenacity σ Remarks
   [mN] [mN mm −2]  
[6] O. septentrionalis 75.5 1.2 PMMA
[24] H. cinerea 39.24 1.4 Teflon
[40] various hylids 2.0–372.0 0.4–1.3 PMMA
[41] various hylids 4.3–180.2 0.4–0.7 PMMA
[42] various hylids 0.5–200.0 0.30–1.08 PMMA
[71] L. caerulea 255.3  ± 73.7 Glass
[6] O. septentrionalis 5.9  ± 2.1–14.9  ± 3.6 SL
[10] R. pardalis 1.5 PE
[39] R. dennysi 1.7–11.3 1.1–2.3 Varying detachment kinematics
[65] H. arborea 127.53 SL, Frontlimb, Metal
[71] L. caerulea 1.08  ± 0.24 Glass
[97] L. caerulea 1.74  ± 1.90 Resin
   1.43  ± 0.60 PDMS
[101] L. caerulea 0.04–1.12 Varying load angle
[113] L. caerulea 13.9–34.0 SL
  1. PE polyethylene, PMMA polymethyl-methacrylate (acrylic glass), SL single limb measurement, SP single pad measurement