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Table 4 Comparison of best-supported climate models from the candidate sets examining apparent annual survival of western yellow-breasted chats during each stage of the annual cycle (migration, breeding, wintering), the annual ENSO model and the null model (n = 313 individuals, 461 encounters)

From: Wind conditions on migration influence the annual survival of a neotropical migrant, the western yellow-breasted chat (Icteria virens auricollis)

Stage

Model

AICC

ΔAICC

Weight

K

Migration

U-windAPR–MAY

702.88

0

0.59

4

Breeding

GDDJAN–MAY + precipitationMAY–JUL

704.09

1.21

0.32

5

Annual

Phi(.)

708.68

5.8

0.03

3

Annual

SOIMAY–APR

708.86

5.98

0.03

4

Wintering

PrecipitationDEC–APR

709.097

6.22

0.03

4

Annual

Phi(g*a*t)

774.28

75.4

0

58

  1. K number of parameters, GDD growing degree days, SOI Southern Oscillation Index, Phi(.) null model, Phi(g*a*t) global model