Figure 2. Changes in lens dry weight as a function of age. Weights are shown for (A) wild boar (113 lenses or data), (B) dingoes (185), (C) white-footed field mice (69), (D) European hares (88), (E) long-nosed bandicoots (7), and (F) sparrows (50). Data sources are as indicated in Appendix 1.