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Table 4 OTUs shared between birds and their burrow mates. Significance was determined using Welch’s two sample t test. Birds did not share more OTUs with their burrow mates than with a randomly selected non-mate (p > 0.05)

From: Morphological and genetic factors shape the microbiome of a seabird species (Oceanodroma leucorhoa) more than environmental and social factors

Swab type

Test statistic t

P value

Bird

Mean % shared OTUs

95% CI

n

Female all samples

− 1.7666

0.1001

Burrow mate

10.57

1.03

9

Random

12.06

1.65

9

Male all samples

0.32337

0.7518

Burrow mate

10.56

1.19

8

Random

10.23

1.72

8

Female uropygial gland

− 0.91587

0.4025

Burrow mate

11.13

2.12

4

Random

12.32

3.54

4

Female brood patch

− 1.4571

0.1935

Burrow mate

10.11

1.60

5

Random

11.85

2.88

5

Male uropygial gland

− 0.53481

0.6335

Burrow mate

11.29

3.94

3

Random

11.83

1.69

3

Male brood patch

0.71256

0.5002

Burrow mate

10.11

1.60

5

Random

9.34

2.58

5