Figure 4 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 4 - Decision tree based on exhaustive CHAID algorithm. Bar diagrams show the number of individuals in each age class 1 to 5 weeks of nestling Spotted Owlets (Athene brama brama). Numbers on the bars indicate individuals in the given age class.