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American Redstart

Setophaga ruticilla

Order:
Passeriformes
Family:
Parulidae
Sections

Tables and Appendices

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Table 1

Morphological measurements of adult male and female American Redstarts. All lengths in mm, mass in g. Data shown as mean ± SD (range, n).

MaleFemale
Total length (skins)(1)121.3 (117–127, 15)116.9 (112–121, 11)
Wing length(1)63.5 (61–67, 15)61.1 (58–66, 11)
Tail length(1)55.1 (52–58, 15)54.1 (49–58, 11)
Tarsus length(1)17.9 (17–19, 15)17.1 (15–18, 11)
Exposed culmen length(1)8.5 (7–9, 15)8.8 (8–9, 11)
Total culmen length(2)9.11 ± 0.6 (n = 69)8.67 ± 0.7 (n = 15)
Bill width at base(2)4.55 ± 0.3 (n = 69)4.47 ± 0.4 (n = 15)
Bill depth at base(2)2.95 ± 0.2 (n = 69)2.89 ± 0.2 (n = 15)
Summer body mass(3)8.6 ± 0.5 (n = 71)8.7 ± 0.6 (n = 80)
Winter body mass(4)7.2 ± 0.3 (n = 86)6.8 ± 0.4 (n = 44)

  • (1) From Ridgway 1902.(2) From Sherry 1975, measurements defined by Baldwin et al. (Baldwin et al. 1931), taken from specimens in American Museum of Natural History.(3) From mist-net captures in Jun at Hubbard Brook Experimental Forest, NH (Holmes 1986).(4) From mist-net captures in late Oct–Nov in Jamaica (Holmes et al. 1989, Sherry and Holmes 1996a, RTH).

Table 2

Multiple habitat quality indices for six natural and agricultural habitats used by wintering American redstarts in Jamaica, West Indies. Habitats arranged approximately in order of decreasing overall quality.

Criterion: Wet limestone forest Black mangroves Shaded coffee Coastal (thorn) scrub Citrus Dry limestone forest Reference:
Annual apparent survival +++ (56%) ++ (40%) ++ (39%) +++ (57%) Peele (2015)
+++ ++ ++ + + Johnson et al. (2006), Sherry and Holmes (1996)
Age ratio (ASY males as %) ++++ (80%)1 +++ 60% ++ + (45%) + (40%) + Peele (2015), Sherry and Holmes (1996)
Food availability ++++ ++++ +++ ++ + Peele (2015)
Ranked body mass maintenance (body condition) 1 2 3 4 5 Johnson et al. (2006), ranked best to worst
Monthly mean rainfall 220 mm 91 mm 91 mm <62.52 Peele et al. (2015)
Local density +++ ++++ ++++ ++++/+++ +++ + Confer and Holmes (1995), Sherry and Holmes (1996), Johnson and Sherry (2001), Johnson et al. (2006), Peele et al. (2015)
Departure for Spring migration +++ ++ + + Peele (2015)
Proportion transient (floater) ~0 ++ ++ Peele et al. (2015), Peele (2015)

1 Percent of individuals that are After-second-year (ASY) males (from Peele 2015).
2 Taken from Encyclopedia of Earth, Ecoregions, Jamaican dry forest.

Recommended Citation

Sherry, T. W., R. T. Holmes, P. Pyle, and M. A. Patten (2016). American Redstart (Setophaga ruticilla), version 3.0. In The Birds of North America (P. G. Rodewald, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bna.amered.03