Animalia > Chordata > Aves > Passeriformes > Corvidae > Aphelocoma > Aphelocoma californica
 

Aphelocoma californica (Western Scrub-Jay; Western Scrub Jay)

Synonyms: Aphelocoma coerulescens superciliosa

Infraspecies

EDGE Analysis

Uniqueness Scale: Similiar (0) 
5
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
21
 Unique & Vulnerable (100)
ED Score: 4.99667
EDGE Score: 1.79121

Attributes

Adult Weight [1]  89 grams
Birth Weight [1]  5 grams
Breeding Habitat [2]  Temperate western forests, Mexican pine-oak forests
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Temperate western forests, Mexican pine-oak forests
Diet [3]  Carnivore (Invertebrates), Carnivore (Vertebrates), Frugivore, Granivore
Diet - Ectothermic [3]  10 %
Diet - Endothermic [3]  20 %
Diet - Fruit [3]  20 %
Diet - Invertibrates [3]  20 %
Diet - Scavenger [3]  10 %
Diet - Seeds [3]  20 %
Forages - Mid-High [3]  10 %
Forages - Understory [3]  10 %
Forages - Ground [3]  80 %
Clutch Size [4]  4
Clutches / Year [1]  1
Incubation [1]  18 days
Maximum Longevity [1]  16 years

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Arizona Mountains forests United States Nearctic Temperate Coniferous Forests
Baja California desert Mexico Nearctic Deserts and Xeric Shrublands
Blue Mountains forests United States Nearctic Temperate Coniferous Forests
California coastal sage and chaparral Mexico, United States Nearctic Mediterranean Forests, Woodlands, and Scrub
California interior chaparral and woodlands United States Nearctic Mediterranean Forests, Woodlands, and Scrub
California montane chaparral and woodlands United States Nearctic Mediterranean Forests, Woodlands, and Scrub
Central and Southern mixed grasslands United States Nearctic Temperate Grasslands, Savannas, and Shrublands
Central Mexican matorral Mexico Nearctic Deserts and Xeric Shrublands
Central Pacific coastal forests Canada, United States Nearctic Temperate Coniferous Forests  
Chihuahuan desert Mexico, United States Nearctic Deserts and Xeric Shrublands
Colorado Plateau shrublands United States Nearctic Deserts and Xeric Shrublands
Colorado Rockies forests United States Nearctic Temperate Coniferous Forests
Eastern Cascades forests United States Nearctic Temperate Coniferous Forests
Edwards Plateau savanna United States Nearctic Temperate Grasslands, Savannas, and Shrublands
Great Basin montane forests United States Nearctic Temperate Coniferous Forests
Great Basin shrub steppe United States Nearctic Deserts and Xeric Shrublands
Gulf of California xeric scrub Mexico Nearctic Deserts and Xeric Shrublands
Klamath-Siskiyou forests United States Nearctic Temperate Coniferous Forests
Meseta Central matorral Mexico Nearctic Deserts and Xeric Shrublands
Mojave desert United States Nearctic Deserts and Xeric Shrublands
Northern California coastal forests United States Nearctic Temperate Coniferous Forests
Okanagan dry forests Canada, United States Nearctic Temperate Coniferous Forests
Palouse grasslands United States Nearctic Temperate Grasslands, Savannas, and Shrublands
San Lucan xeric scrub Mexico Neotropic Deserts and Xeric Shrublands
Sierra de la Laguna dry forests Mexico Neotropic Tropical and Subtropical Dry Broadleaf Forests
Sierra de la Laguna pine-oak forests Mexico Neotropic Tropical and Subtropical Coniferous Forests
Sierra Juarez and San Pedro Martir pine-oak forests Mexico Nearctic Temperate Coniferous Forests
Sierra Madre de Oaxaca pine-oak forests Mexico Neotropic Tropical and Subtropical Coniferous Forests
Sierra Madre del Sur pine-oak forests Mexico Neotropic Tropical and Subtropical Coniferous Forests
Sierra Madre Occidental pine-oak forests Mexico, United States Nearctic Tropical and Subtropical Coniferous Forests
Sierra Madre Oriental pine-oak forests Mexico, United States Nearctic Tropical and Subtropical Coniferous Forests
Sierra Nevada forests United States Nearctic Temperate Coniferous Forests
Snake-Columbia shrub steppe United States Nearctic Deserts and Xeric Shrublands
South Central Rockies forests United States Nearctic Temperate Coniferous Forests
Tehuacán Valley matorral Mexico Neotropic Deserts and Xeric Shrublands
Trans-Mexican Volcanic Belt pine-oak forests Mexico Neotropic Tropical and Subtropical Coniferous Forests
Wasatch and Uinta montane forests United States Nearctic Temperate Coniferous Forests
Wyoming Basin shrub steppe United States Nearctic Deserts and Xeric Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Anza-Borrego Desert State Park, CA III 184543 California, United States
Beaver Creek Biosphere Reserve 275028 Arizona, United States  
Boggs Mountain Demonstration State Forest   California, United States
California Coast Ranges Biosphere Reserve 153447 California, United States  
Crater Lake National Park II 180091 Oregon, United States
Glen Canyon National Recreation Area V 1087901 Arizona, Utah, United States
Grand Canyon National Park II 1210128 Arizona, United States
Gray Lodge State Wildlife Area State Wildlife Management Area IV 8471 California, United States
Great Basin National Park II 77367 Nevada, United States
Heath and Marjorie Angelo Coast Range Preserve Nature Conservancy - Preserve Ia 7008 California, United States
Jackson Demonstration State Forest   California, United States
Jornada Biosphere Reserve Ib 30913 New Mexico, United States
Organ Pipe Cactus Biosphere Reserve 327376 Arizona, United States  
White Sands National Monument III 139922 New Mexico, United States
Zion National Park II 135667 Utah, United States

Biodiversity Hotspots

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

Prey / Diet

Auriparus flaviceps (Verdin)[5]
Frangula purshiana subsp. purshiana (Cascara buckthorn)[5]
Malus pumila (Common apple)[5]
Pinus edulis (Colorado pinyon)[6]
Pinus ponderosa (Ponderosa pine)[6]
Saissetia miranda (mexican black scale)[5]
Sylvilagus bachmani (Brush Rabbit)[7]
Zea mays (corn)[5]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Accipiter cooperii (Cooper's Hawk)1
Antilocapra americana (pronghorn)1
Aphelocoma ultramarina (Mexican Jay)2
Bubo virginianus (Great Horned Owl)1
Buteo jamaicensis (Red-tailed Hawk)1
Callospermophilus lateralis (golden-mantled ground squirrel)1
Canis latrans (Coyote)1
Crotalus atrox (Western Diamond-backed Rattlesnake)1
Cyanocitta stelleri (Steller's Jay)2
Ernobius montanus2
Ernobius punctulatus1
Frankliniella occidentalis (western flower thrips)1
Gymnorhinus cyanocephalus (Pinyon Jay)2
Lynx rufus (Bobcat)1
Mustela frenata (Long-tailed Weasel)1
Neotoma cinerea (bushy-tailed woodrat)1
Nucifraga columbiana (Clark's Nutcracker)2
Oreamnos americanus (mountain goat)1
Otospermophilus variegatus (rock squirrel)1
Peromyscus boylii (brush mouse)2
Peromyscus truei (pinyon mouse)1
Pituophis catenifer (Gopher Snake)1
Sciurus aberti (Abert's squirrel)2
Sciurus arizonensis (Arizona gray squirrel)1
Sciurus griseus (western gray squirrel)1
Tamias amoenus (yellow-pine chipmunk)1
Tamias cinereicollis (gray-collared chipmunk)2
Tamias panamintinus (panamint chipmunk)1
Tamias ruficaudus (red-tailed chipmunk)1
Tamias rufus (Hopi chipmunk)1
Tamias umbrinus (Uinta chipmunk)1
Tamiasciurus douglasii (Douglas's squirrel)1
Tyto alba (Barn Owl)1
Urocyon cinereoargenteus (Gray Fox)1

Predators

Accipiter cooperii (Cooper's Hawk)[5]
Aquila chrysaetos (Golden Eagle)[5]
Buteo jamaicensis (Red-tailed Hawk)[5]

Consumers

Parasitized by 
Baylisascaris procyonis[8]

Range Map

North America;

Photos

Citations

Attributes / relations provided by
1de 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
2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
3Hamish 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
4Jetz 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
5Jorrit 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.
6Balda, Russell P. and Kamil, Alan, Linking Life Zones, Life History Traits, Ecology, and Spatial Cognition in Four Allopatric Southwestern Seed Caching Corvids (2006). Papers in Behavior and Biological Sciences. Paper 36.
7Sylvilagus bachmani, Joseph A. Chapman, MAMMALIAN SPECIES No. 34, pp. 1-4 (1974)
8Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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
Images provided by Google Image Search
Weather provided by NOAA METAR Data Access