Figure 1. Micro CT coronal sections through bill-tips of five probe-foraging bird species.

A: North Island brown kiwi (Apteryx mantelli), B: bar-tailed godwit (Limosa lapponica), C: Eurasian woodcock (Scolopax rusticola), D: black-winged stilt (Himantopus himantopus), and E: South Island oystercatcher (Haematopus finschi). Consecutive slices are 3 mm apart. Mid-grey areas = keratin and soft tissue, dark-grey to black areas = bone. Scale bar = 2 mm.