Figure 1 from: Yosef R, Pande S, Pawashe A, Mahajan M, Mahabal A, Dahanukar N (2011) Biometry based ageing of nestling Indian Spotted Owlets (Athene brama brama). ZooKeys 132: 75-88. https://doi.org/10.3897/zookeys.132.1346

Figure 1 - Biometry ofbody mass, wing chord length, talon length, tarsus length and culmen length plotted against the age of nestling Spotted Owlets (Athene brama brama). The smoothed curve is the logistic growth model fitted to the data.