Animalia > Chordata > Aves > Passeriformes > Emberizidae > Spizelloides > Spizelloides arborea

Spizelloides arborea (American Tree Sparrow)

Synonyms: Fringilla arborea; Spizella arborea
Language: French

Wikipedia Abstract

The American tree sparrow (Spizelloides arborea), also known as the winter sparrow, is a medium-sized sparrow. It had been classified under the genus Spizella, but multilocus molecular evidence suggested placement in its own genus. Adults have a rusty cap and grey underparts with a small dark spot on the breast. They have a rusty back with lighter stripes, brown wings with white bars and a slim tail. Their face is grey with a rusty line through the eye. Their flanks are splashed with light brown. They are similar in appearance to the chipping sparrow.
View Wikipedia Record: Spizelloides arborea


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 7.73446
EDGE Score: 2.16728


Clutch Size [5]  5
Clutches / Year [2]  1
Global Population (2017 est.) [3]  22,000,000
Incubation [2]  12 days
Maximum Longevity [2]  11 years
Migration [1]  Intracontinental
Water Biome [1]  Lakes and Ponds
Adult Weight [2]  17 grams
Birth Weight [2]  2 grams
Breeding Habitat [3]  Arctic tundra, Boreal forests
Wintering Geography [3]  Northern U.S./Canada
Wintering Habitat [3]  Generalist
Diet [4]  Carnivore (Invertebrates), Granivore
Diet - Invertibrates [4]  50 %
Diet - Seeds [4]  50 %
Forages - Mid-High [4]  20 %
Forages - Understory [4]  20 %
Forages - Ground [4]  60 %
Female Maturity [2]  1 year
Male Maturity [2]  1 year


Protected Areas

+ Click for partial list (100)Full list (153)

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No
Madrean Pine-Oak Woodlands Mexico, United States No

Prey / Diet

Amaranthus retroflexus (rough pigweed)[6]
Ambrosia artemisiifolia (Common Ragweed)[6]
Andropogon virginicus (broomsedge bluestem)[6]
Dermatophagoides pteronyssinus[7]

Prey / Diet Overlap


Accipiter striatus (Sharp-shinned Hawk)[7]
Mustela frenata (Long-tailed Weasel)[8]


Parasitized by 
Ceratophyllus garei[9]
Ceratophyllus niger (Western chicken flea)[9]

Range Map


North America; Western Michigan University’s Asylum Lake;

External References



Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
3Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
4Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
5Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
6del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
8Mustela frenata, Steven R. Sheffield and Howard H. Thomas, MAMMALIAN SPECIES No. 570, pp. 1-9 (1997)
9International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License