Nesting Success and Nesting Height in the Critically Endangered Medium Tree Finch (Camarhynchus pauper)
Abstract
:Simple Summary
Abstract
1. Introduction
2. Methods
2.1. Study Site and Study Species
2.2. Male Age
2.3. Nest Monitoring
2.4. Mist-Netting
2.5. Statistical Analysis
3. Results
3.1. Chosen and Unchosen Males and the Stage of Nest Failure
3.2. Causes of Nesting Failure
3.3. Effects of Male Age and Nesting Height on Nesting Outcome
4. Discussion
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Coefficients | Estimate | SE | z-Value | p-Value | LR Χ2 | p (>Χ2) |
---|---|---|---|---|---|---|
(Intercept): 1 | 85.07 | 101.51 | 0.84 | 0.402 | 32.65 | <0.001 |
(Intercept): 2 | 360.84 | 125.84 | 2.87 | 0.004 | ||
Male age: 1 | 0.20 | 0.13 | 1.51 | 0.132 | 17.99 | <0.001 |
Male age: 2 | 0.60 | 0.14 | 4.30 | <0.001 | ||
Year: 1 | −0.04 | 0.05 | −0.85 | 0.395 | 20.77 | <0.001 |
Year: 2 | −0.18 | 0.06 | −2.88 | 0.004 |
Coefficients | Estimate | SE | z-Value | p-Value | LR Χ2 | p (>Χ2) |
---|---|---|---|---|---|---|
(Intercept): Vampire Fly | −0.53 | 0.66 | −0.81 | 0.420 | 19.14 | 0.004 |
(Intercept): Rat predation | −0.91 | 0.84 | −1.08 | 0.279 | ||
Nest height (linear): Vampire Fly | −9.38 | 4.70 | −1.99 | 0.046 | 13.37 | 0.010 |
Nest height (linear): Rat predation | −20.47 | 7.55 | −2.71 | 0.007 | ||
Nest height (quadratic): Vampire Fly | −3.34 | 4.76 | −0.70 | 0.483 | ||
Nest height (quadratic): Rat predation | −3.94 | 6.60 | −0.60 | 0.551 | ||
Male age: Vampire Fly | 0.42 | 0.19 | 2.20 | 0.028 | 5.65 | 0.059 |
Male age: Rat predation | 0.15 | 0.25 | 0.60 | 0.548 |
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Kleindorfer, S.; Common, L.K.; Sumasgutner, P. Nesting Success and Nesting Height in the Critically Endangered Medium Tree Finch (Camarhynchus pauper). Birds 2021, 2, 427-444. https://doi.org/10.3390/birds2040032
Kleindorfer S, Common LK, Sumasgutner P. Nesting Success and Nesting Height in the Critically Endangered Medium Tree Finch (Camarhynchus pauper). Birds. 2021; 2(4):427-444. https://doi.org/10.3390/birds2040032
Chicago/Turabian StyleKleindorfer, Sonia, Lauren K. Common, and Petra Sumasgutner. 2021. "Nesting Success and Nesting Height in the Critically Endangered Medium Tree Finch (Camarhynchus pauper)" Birds 2, no. 4: 427-444. https://doi.org/10.3390/birds2040032