Order
Passeriformes
Family
Parulidae
Genus
Setophaga
Neotropical Birds logo
Version 1.0

This is a historic version of this account.  Current version

SPECIES

Adelaide's Warbler Setophaga adelaidae

Judith D. Toms
Version: 1.0 — Published May 28, 2010

Demography and Populations

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The oldest known Adelaide’s Warbler was at least 10 years and 8 months old (J. Faaborg, pers. comm.). The number of Adelaide’s Warblers captured at Guánica Dry Forest has fluctuated over time (see Figure; J. Faaborg, unpub. data). Mark-recapture techniques estimate annual survival to be 0.685, with survival increasing with total rainfall (J. Faaborg and J. Toms, unpub. data). Using simple estimates of survival, Staicer (1991) found female mortality to be greater than male mortality (0.74 for males, 0.57 for females).  Apparent mortality was much higher in one period, when extremely heavy rainfall followed a drought (Staicer 1991).

Number of Adelaide's Warblers captured in Guánica Dry Forest.  Data are from seven 192 m netlines in 1989, eight netlines in 1990, and nine netlines thereafter.  (J. Faaborg, unpub. data)


24% of Adelaide’s Warblers were infected with avian malaria when assessed with molecular techniques (22 of 90 individuals; Fallon et al. 2004), although a study screening for malaria using blood smears found no infected individuals (0 of 3 individuals; Garvin and Marra 1991). It seems likely that avian malaria infections are common, but normally occur only at sub-clinical levels.

Enlarge
Number of Adelaide's Warblers captured in Guánica Dry Forest.

Data are from seven 192 m netlines in 1989, eight netlines in 1990, and nine netlines thereafter. (J. Faaborg, unpub. data).

Recommended Citation

Toms, J. D. (2010). Adelaide's Warbler (Setophaga adelaidae), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.adewar1.01