Where: Los Angeles County, California (34.5° N, 118.2° W: paleocoordinates 34.5° N, 118.2° W)
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• Specimens at La Brea mostly range from 11,500 to 35,000 years old. One of the older pits, pit 77, has a mean calibrated age of 35,370, while a younger pit, pits 61/67, has a mean calibrated age of 11,581 before present. Many other pits fall in between these dates, however, most seem to occur between 20,000–29,000 years ago
Environment/lithology: tar; black tar
Size class: macrofossils
Primary reference: D. B. Jones and L. R. G. Desantis. 2017. Dietary ecology of ungulates from the La Brea tar pits in southern California: A multi-proxy approach. Palaeogeography, Palaeoclimatology, Palaeoecology 465(15):110-127 [M. Uhen/J. So/P. Holroyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 190077: authorized by Mark Uhen, entered by Jeankyong So on 27.11.2017, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Mammalia | |
"Equus occidentalis" = Equus mexicanus
"Equus occidentalis" = Equus mexicanus Hibbard 1955 horse | |
Camelops hesternus Leidy 1873 camel | |
Bison antiquus Leidy 1852 bison | |
Aves | |
"Chaulelasmus streperus" = Mareca strepera, Anser albifrons, "Chen hyperborea" = Anser caerulescens, "Chen ? rossi" = Anser rossii, Branta canadensis, "Anabernicula miniscula" = Branta minuscula, Cygnus columbianus, Spatula clypeata, "Nettion carolinense" = Anas crecca carolinensis, Anas platyrhynchos, Querquedula sp., "Nyroca ? valisineria" = Aythya valisineria
"Chaulelasmus streperus" = Mareca strepera Linnaeus 1758 gadwall
Anser albifrons Scopoli 1769 greater white-fronted goose
"Chen hyperborea" = Anser caerulescens Linnaeus 1758 snow goose
"Chen ? rossi" = Anser rossii Cassin 1861 Ross's goose
Branta canadensis Linnaeus 1758 Canada goose
"Anabernicula miniscula" = Branta minuscula Wetmore 1924 goose
Cygnus columbianus Ord 1815 tundra swan
Spatula clypeata Linnaeus 1758 northern shoveler
"Nettion carolinense" = Anas crecca carolinensis Gmelin 1789 green-winged teal
Anas platyrhynchos Linnaeus 1758 mallard
Querquedula sp. Stephens 1826 duck
"Nyroca ? valisineria" = Aythya valisineria Wilson 1814 canvasback | |
Podilymbus podiceps Linnaeus 1758 pied-billed grebe | |
Glaucidium gnoma, "Cryptoglaux acadica" = Aegolius acadicus, "Otus asio" = Megascops asio, "Speotyto cunicularia" = Athene cunicularia, "Strix brea" = Oraristrix brea, "Asio wilsonianus" = Asio otus wilsonianus, Asio flammeus, Bubo virginianus
Glaucidium gnoma Wagler 1832 northern pygmy-owl
"Cryptoglaux acadica" = Aegolius acadicus Gmelin 1788 northern saw-whet owl
"Otus asio" = Megascops asio Linnaeus 1758 eastern screech-owl
"Speotyto cunicularia" = Athene cunicularia Molina 1782 burrowing owl
"Strix brea" = Oraristrix brea Howard 1933 Brea owl
"Asio wilsonianus" = Asio otus wilsonianus Lesson 1830 long-eared owl
Asio flammeus Pontoppidan 1763 short-eared owl
Bubo virginianus Gmelin 1788 great horned owl | |
Tyto alba Scopoli 1769 barn owl | |
"Colaptes cafer" = Colaptes auratus cafer, Ceophloeus plicatus, "Asyndesmus lewis" = Melanerpes lewis
"Colaptes cafer" = Colaptes auratus cafer Gmelin 1788 northern flicker
Ceophloeus plicatus woodpecker
"Asyndesmus lewis" = Melanerpes lewis Gray 1849 Lewis's woodpecker | |
Geococcyx californianus Lesson 1829 Greater roadrunner | |
"Zenaidura macroura" = Zenaida macroura, "Columba fasciata" = Patagioenas fasciata, Ectopistes migratorius
"Zenaidura macroura" = Zenaida macroura Linnaeus 1758 mourning dove
"Columba fasciata" = Patagioenas fasciata Say 1822 band-tailed pigeon
Ectopistes migratorius Linnaeus 1758 passenger pigeon | |
"Plegadis guarauna" = Aramus guarauna
"Plegadis guarauna" = Aramus guarauna Linnaeus 1762 limpkin | |
"Grus americanus" = Grus americana, "Grus canadensis" = Antigone canadensis
"Grus americanus" = Grus americana Linnaeus 1758 Whooping crane
"Grus canadensis" = Antigone canadensis Linnaeus 1758 Sandhill crane | |
Fulica americana Gmelin 1789 American coot | |
Tyrannus sp. Linnaeus 1766 tyrant flycatcher | |
Fringillidae indet. Vigors 1825 finch
Spinus pinus Wilson 1810 pine siskin
Spinus tristis Linnaeus 1758 American goldfinch | |
Euphagus magnirostris Miller 1929 large-billed blackbird
Sturnella neglecta Audubon 1844 western meadowlark
Icterus sp. Brisson 1760 New World oriole
Agelaius sp. Vieillot 1816 perching bird
? Xanthocephalus sp. Bonaparte 1850 perching bird | |
"Otocoris alpestris" = Eremophila alpestris
"Otocoris alpestris" = Eremophila alpestris Linnaeus 1759 horned lark | |
Sialia sp. Swainson 1827 bluebird | |
Lanius ludovicianus Linnaeus 1766 loggerhead shrike | |
Aphelocoma californica, Cyanocitta stelleri, "Corvus brachyrhynchos" = Corvus brachyrhynchos, "Corvus caurinus" = Corvus brachyrhynchos, Corvus cryptoleucus, Corvus corax, Pica nuttalli
Aphelocoma californica Vigors 1839 California scrub-jay
Cyanocitta stelleri Gmelin 1788 Steller's jay
"Corvus brachyrhynchos" = Corvus brachyrhynchos Brehm 1822 American crow
"Corvus caurinus" = Corvus brachyrhynchos Brehm 1822 American crow
Corvus cryptoleucus Couch 1854 crow
Corvus corax Linnaeus 1758 common raven
Pica nuttalli Audubon 1837 yellow-billed magpie | |
Spizella passerina Bechstein 1798 chipping sparrow
Amphispiza bilineata Cassin 1850 black-throated sparrow | |
Oreoscoptes montanus Townsend 1837 sage thrasher
Toxostoma redividum American thrashers | |
Cathartes aura Linnaeus 1758 turkey vulture
Breagyps clarki Miller 1910 New World vulture
Coragyps occidentalis Miller 1909 New World vulture
Gymnogyps californianus Shaw 1797 California condor | |
"Ajaia ajaja" = Platalea ajaja
"Ajaia ajaja" = Platalea ajaja Linnaeus 1758 roseate spoonbill | |
Egretta ? thula, "Florida ? caerulea" = Egretta caerulea, Ardea herodias, "Casmerodius albus" = Ardea alba, Butorides virescens
Egretta ? thula Molina 1782 snowy egret
"Florida ? caerulea" = Egretta caerulea Linnaeus 1758 little blue heron
Ardea herodias Linnaeus 1758 great blue heron
"Casmerodius albus" = Ardea alba Linnaeus 1758 great egret
Butorides virescens Linnaeus 1758 green heron | |
Mycteria wetmorei Howard 1935 stork
Ciconia maltha Miller 1910 asphalt stork | |
Spizaetus grinnelli, Neogyps errans, Neophrontops americanus, Circus hudsonius, Accipiter cooperii, Astur atricapillus, Accipiter striatus velox, Aquila chrysaetos, Elanus leucurus, Morphnus woodwardi, "Hypomorphnus fragilis" = Buteogallus fragilis, "Wetmoregyps daggetti" = Buteogallus (Wetmoregyps) daggetti, Haliaeetus leucocephalus, Buteo sp., Buteo swainsoni, Buteo jamaicensis, Buteo regalis, Buteo lagopus
Spizaetus grinnelli Miller 1911 hawk-eagle
Neogyps errans Miller 1916 Old World vulture
Neophrontops americanus Miller 1916 Old World vulture
Circus hudsonius Linnaeus 1766 Northern harrier
Accipiter cooperii Bonaparte 1828 Cooper's hawk
Astur atricapillus Wilson 1812 hawk
Accipiter striatus velox Wilson 1812 sharp-shinned hawk
Aquila chrysaetos Linnaeus 1758 golden eagle
Elanus leucurus Vieillot 1818 white-tailed kite
Morphnus woodwardi Miller 1911 crested eagle
"Hypomorphnus fragilis" = Buteogallus fragilis Miller 1911 black-hawks
"Wetmoregyps daggetti" = Buteogallus (Wetmoregyps) daggetti Miller 1915 black-hawks
Haliaeetus leucocephalus Linnaeus 1766 bald eagle
Buteo sp. de Lacepède 1799 hawk
Buteo swainsoni Bonaparte 1838 Swainson's hawk
Buteo jamaicensis Gmelin 1788 red-tailed hawk
Buteo regalis Gray 1844 ferruginous hawk
Buteo lagopus Pontoppidan 1763 rough-legged hawk | |
Charadriiformes indet. Huxley 1867 shorebird | |
Rissa ? tridactyla Linnaeus 1758 black-legged kittiwake | |
"Oxyechus vociferus" = Charadrius vociferus, "Eupoda montana" = Charadrius montanus, "Squatarola squatarola" = Pluvialis squatarola
"Oxyechus vociferus" = Charadrius vociferus Linnaeus 1758 killdeer
"Eupoda montana" = Charadrius montanus Townsend 1837 mountain plover
"Squatarola squatarola" = Pluvialis squatarola Linnaeus 1758 black-bellied plover | |
"Totanus melanoleucus" = Tringa melanoleuca, Limnodromus griseus, "Capella delicata" = Gallinago delicata, Limosa ? fedoa, Numenius americanus
"Totanus melanoleucus" = Tringa melanoleuca Gmelin 1789 greater yellowlegs
Limnodromus griseus Gmelin 1789 short-billed dowitcher
"Capella delicata" = Gallinago delicata Ord 1825 Wilson's snipe
Limosa ? fedoa Linnaeus 1758 marbled godwit
Numenius americanus Bechstein 1812 long-billed curlew | |
Cathartornis gracilis Miller 1910 teratorn
Teratornis merriami Miller 1909 Merriam's teratorn | |
Falco sp., Falco columbarius, Falco sparverius, Falco peregrinus, Falco mexicanus, "Polyborus prelutosus" = Caracara cheriway
Falco sp. Linnaeus 1758 falcon
Falco columbarius Linnaeus 1758 merlin
Falco sparverius Linnaeus 1758 American kestrel
Falco peregrinus Tunstall 1771 Peregrine falcon
Falco mexicanus Schlegel 1850 Prairie falcon | |
Reptilia | |
Colymbus sp. Linnaeus 1758 avialan | |
"Parapavo californicus" = Meleagris californica
"Parapavo californicus" = Meleagris californica Miller 1909 turkey | |
"Lophortyx californica" = Callipepla californica
"Lophortyx californica" = Callipepla californica Shaw 1798 California quail |