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Table 3 Jacana phenotype in the hybrid zone

From: Genetic and phenotypic characterization of a hybrid zone between polyandrous Northern and Wattled Jacanas in Western Panama

Phenotypic classification

N

Mean hybrid index (95% CI)

N males

N females

N unknown †

Frequency

"pure" spinosa

24

0.03 (0.02 – 0.04)

12

8

4

35%

spinosa-like

10

0.13 (0.10 – 0.15)

6

4

--

14%

hybrid

11

0.36* (0.30 – 0.42)

4

6

1

16%

jacana-like

8

0.85 (0.82 – 0.88)

4

4

--

12%

"pure" jacana

16

0.97 (0.96 – 0.98)

7

9

--

23%

Total

69

 

33

33

5

 
  1. Distribution of phenotype classes, sexes, and mean hybrid indexes with standard deviation within the phenotypic hybrid zone of jacanas in southwestern Panama. †Specimen labels did not contain information on sex for these specimens. *The mean hybrid index for "hybrid" classified specimens is significantly different from the expected value of 0.50 (see Results).