Table 4. QAICc rankings, number of parameters (K), log likelihoods, QAICc, ΔQAICc, and Akaike weights (wi) for Poisson regression models reflecting hypotheses of habitat use for point count data on male Bobolink abundance conducted between May 21 and July 2, 2002 in the Champlain Valley of Vermont and New York. Only models included in the 90% confidence set are shown.


Model Model description K log likelihood QAICc ΔQAICc wi
Visit 1 3 Distant Land Open 4 −99.1 102.59 0.00 0.79
10 3+4+5+6 10 −87.82 105.24 2.65 0.21
Visit 2 1 Habitat 3 −113.49 99.57 0.00 0.62
3 Distant Land Open 4 −115.87 103.64 4.07 0.08
5 Mowing 4 −115.9 103.67 4.10 0.08
2 Near Land Open 4 −117.06 104.63 5.05 0.05
9 2+4+5+6 11 −98.32 104.94 5.37 0.04
7 4+5 7 −109.9 105.28 5.71 0.04
Visit 3 10 3+4+5+6 11 −67.38 86.06 0.00 0.98