Table 1 Summary of chinstrap penguin samples used, genetic diversity indices and neutrality test results

WAP – SSI

Elephant Island (EI)

61°13’S

55°21’W

17

13

13

0.96

0.01

2.35

−1.47

− 10.1

17

5.55

0.62

0.62

0.003

Penguin Island (PI)

62°06’S

57°56’W

17

14

19

0.98

0.01

3.43

−1.54

−9.47

19

5.91

0.70

0.67

−0.053

Barton Peninsula (BP)

62°14’S

58°46’W

22

19

18

0.98

0.01

3.37

−1.17

−17.4

29

6.18

0.57

0.62

0.081

Ardley Island (AI)

62°13’S

58°56’W

12

10

13

0.97

0.01

3.26

−1.03

−5.45

14

5.27

0.60

0.66

0.096

Greenwich Island (GI)

62°31’S

59°47’W

14

12

16

0.98

0.01

2.97

−1.68

−8.57

14

5.18

0.61

0.64

0.048

Miers Bluff (MB)

62°43’S

60°26’W

9

8

10

0.97

0.01

2.89

−1.00

−4.47

11

5.00

0.61

0.62

0.019

Hannah Point (HP)

62°39’S

54°36’W

20

14

17

0.95

0.01

3.13

−1.30

−8.19

25

5.91

0.64

0.64

0.001

Cape Shirreff (CS)

62°28’S

60°48’W

22

18

19

0.97

0.01

2.92

−1.63

−16.4

30

6.46

0.61

0.64

0.039

Baily Head (BH)

62°58’S

60°30’W

8

7

9

0.96

0.01

2.60

−1.21

−3.67

9

5.10

0.70

0.71

0.011

Vapour Col (VC)

63°00’S

60°44’W

13

13

15

1

0.01

3.44

−1.21

−11.9

15

5.46

0.67

0.65

−0.025

WAP - AP

Kopaitic Island (KI)

63°19’S

57°55’W

26

26

32

1

0.01

4.40

−1.77

−25.7

30

6.36

0.63

0.64

0.028

Georges Point (GP)

64°40’S

62°39’W

9

9

14

1

0.01

3.72

−1.33

−6.00

15

5.82

0.64

0.64

−0.003

SAI

Bouvetøya (BI)

54°26’S

3°23′E

18

16

18

1

0.01

3.44

−1.32

−13.1

23

5.73

0.65

0.65

−0.001

Total

61°10’S

55°00’W

207

119

55

0.98

0.01

3.32

−1.92

−25.9

251

5.69

0.63

0.65

0.003