Table 1. Radiographic images were reviewed in eastern grey kangaroos (Macropus giganteus). The identification number is given in the left columns.
| No. | Sex | Agea) | Number of frequencyb) |
|---|---|---|---|
| 1 | M | 1y1m | 1 |
| 2 | F | 12m−1y2m | 4 |
| 3 | F | 1y1m−1y2m | 2 |
| 4 | M | 1y8m | 1 |
| 5 | F | 1y11m | 1 |
| 6 | F | 1y11m | 1 |
| 7 | F | 1y12m | 1 |
| 8 | M | 2y1m | 1 |
| 9 | F | 2y1m−2y2m | 2 |
| 10 | M | 2y3m | 1 |
| 11 | F | 2y4m | 1 |
| 12 | F | 2y6m | 1 |
| 13 | F | 2y10m | 1 |
| 14 | F | 2y5m−3y1m | 3 |
| 15 | M | 3y1m | 1 |
| 16 | M | 3y3m−3y8m | 11 |
| 17 | F | 4y2m | 1 |
| 18 | F | 4y2m−4y4m | 2 |
| 19 | F | 4y4m | 1 |
| 20 | F | 4y7m−5y1m | 11 |
| 21 | M | 4y8m−5y3m | 15 |
| 22 | F | 4y9m−5y6m | 7 |
| 23 | F | 5y2m | 1 |
| 24 | M | 7y4m | 1 |
| 25 | F | 8y5m | 1 |
| 26 | F | 9y9m | 1 |
| 27 | M | 10y9m | 1 |
m: month; y: year. a) When the radiographic image was taken. b) The frequency of imaging at a given age. Interval is 2 weeks or 1 months. In No. 14, it is 3 months.