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Table 4 Parameter estimates for the best fitting clines for 5 morphological traits using the package HZAR. For each trait, we present the best model, cline center (c), cline width (w), and AICc

From: Differential introgression and the maintenance of species boundaries in an advanced generation avian hybrid zone

Trait

Best Model

ω

c

AICc - 15-model best fit

Weight

Pmin/Pmax estimated, no tails

17.18 (0.98 – 307.37)

392.52 (314.01 – 440.56)

916.6954

Wing Chord

Pmin/Pmax estimated, no tails

53.82 (0.98 – 578.22)

390.811 (337.14 – 608.62)

1116.321

Bill Length

Pmin/Pmax estimated, no tails

353.06 (248.19 – 488.88)

292.73 (236.07 – 319.97)

227.5175

Plumage Amount

Pmin/Pmax estimated, no tails

450.36 (323.83 – 641.37)

284.05 (246.73 – 331.35)

1380.459

Plumage Definition

Pmin/Pmax estimated, no tails

283.15 (244.47 – 356.67)

328.57 (310.13 – 344.55)

1435.932