Figure 2. Comparative analysis in bats.

(A) microCT image of a 1–3 days-old bat Pipistrellus pipistrellus. (A1) foot, with arrows pointing to growth plates, (A2) wing, with dashed blue lines outlining the areas of non-ossified cartilage. (B–C) Ossification of the autopod (B) and of the stylopod and zeugopod (C) in seven bat species at birth. (D–E) A generalized pattern of ossification of the autopod (D) and stylopod and zeugopod (E) of six bat species combined (Myotis lucifugus, Artibeus jamaicensis, Carollia perspicillata, Tadarida brasiliensis, Myotis austroriparius, and Myotis myotis).

Figure 2—video 1. 3D model based on microCT surface images of a 1–3 day-old Pipistrellus pipistrellus s.l. (common pipistrelle bat).

Download video file ^{(7.2MB, mp4)}

The age could not be determined more precisely.