Table 1 Distribution of the 171 collected data files according to the birds’ age and sex.

From: Evidence of age-related improvement in the foraging efficiency of Adélie penguins

Sex

Age (yr)

4–5

6–7

8–9

10–11

12–13

14–15

16–17

Female

24

14

17

13

12

4

1

Male

11

16

16

19

14

8

2

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