Data about <i>Larus californicus</i>

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Distribution

Data about <i>Larus californicus</i>
Range midpoint latitude
Additional detail 49.24 degrees Symonds and Tattersall, 2010  
  • Geographic distribution
    A description of the geographic distribution, or range, of the taxon. Includes descriptions of global, regional, or political aspects of range and whether the taxon is native or introduced in portions of the range and endemicity.
    http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution
Geographic distribution
Additional detail Gulf of Mexico World Register of Marine Species  
Additional detail North America World Register of Marine Species  
  • Latitude
    The geographic latitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.
    http://rs.tdwg.org/dwc/terms/decimalLatitude
Latitude min
Additional detail 18.21 degrees OBIS Environmental Information  
max Additional detail 49.92 degrees OBIS Environmental Information  
  • Longitude
    The geographic longitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.
    http://rs.tdwg.org/dwc/terms/decimalLongitude
Longitude min
Additional detail -128 degrees OBIS Environmental Information  
max Additional detail -82.7 degrees OBIS Environmental Information  

Physical Description

Data about <i>Larus californicus</i>
Body length (VT) min
Additional detail 51 cm Birds Animal Diversity Web  
average Additional detail 54 cm Birds Animal Diversity Web  
max Additional detail 58 cm Birds Animal Diversity Web  
Body mass
Additional detail 683.91 g Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
min Additional detail 432 g Birds Animal Diversity Web  
average Additional detail 600 g Birds Animal Diversity Web  
mean Additional detail 691 g Symonds and Tattersall, 2010  
max Additional detail 885 g Birds Animal Diversity Web  
Dimorphism
Additional detail male larger Birds Animal Diversity Web  
Additional detail none Birds Animal Diversity Web  
Tarsometatarsus + middle toe length mean
Additional detail 10.3 cm Symonds and Tattersall, 2010  
Bill length mean
Additional detail 4.78 cm Symonds and Tattersall, 2010  
Weight
Additional detail 50 g neonate stage AnAge Database of Animal Ageing and Longevity  
Additional detail 691 g adult AnAge Database of Animal Ageing and Longevity  

Ecology

Data about <i>Larus californicus</i>
Habitat
Additional detail freshwater habitat
  • Freshwater habitat
    A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
    http://purl.obolibrary.org/obo/ENVO_00002037
IUCN  
Additional detail marine habitat
  • Marine habitat
    A habitat that is in or on a sea or ocean containing high concentrations of dissolved salts and other total dissolved solids (typically >35 grams dissolved salts per litre).
    http://purl.obolibrary.org/obo/ENVO_00000569
IUCN  
Additional detail terrestrial habitat
  • Terrestrial habitat
    A habitat that is on or at the boundary of the surface of the Earth.
    http://purl.obolibrary.org/obo/ENVO_00002009
IUCN  
Habitat
Additional detail animal habitation
  • Animal habitation
    The dwelling of an animal or group of similar animals.
    http://purl.obolibrary.org/obo/ENVO_00005803
Environments - EOL project  
Additional detail bay Environments - EOL project  
Additional detail brine
  • Brine
    Water saturated or nearly saturated with salt (NaCl). It is used (now less popular than historically) to preserve vegetables, fish, and meat.
    http://purl.obolibrary.org/obo/ENVO_00003044
Environments - EOL project  
Additional detail city Environments - EOL project  
Additional detail estuary
  • Estuary
    A semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
    http://purl.obolibrary.org/obo/ENVO_00000045
Environments - EOL project  
Additional detail fresh water Environments - EOL project  
Additional detail island
  • Island
    Area of dry or relatively dry land surrounded by water or low wetland.
    http://purl.obolibrary.org/obo/ENVO_00000098
Environments - EOL project  
Additional detail marsh
  • Marsh
    A wetland, featuring grasses, rushes, reeds, typhas, sedges, and other herbaceous plants (possibly with low-growing woody plants) in a context of shallow water.
    http://purl.obolibrary.org/obo/ENVO_00000035
Environments - EOL project  
Additional detail mudflat
  • Mudflat
    A wetland that forms when mud is deposited by the tides, rivers, sea or oceans.
    http://purl.obolibrary.org/obo/ENVO_00000192
Environments - EOL project  
Additional detail pelagic zone Environments - EOL project  
Additional detail plain
  • Plain
    A region of general uniform slope, comparatively level, and of considerable extent.
    http://purl.obolibrary.org/obo/ENVO_00000086
Environments - EOL project  
Additional detail pond
  • Pond
    A body of water, usually of smaller size than a lake.
    http://purl.obolibrary.org/obo/ENVO_00000033
Environments - EOL project  
Additional detail sand
  • Sand
    A naturally occurring granular material composed of finely divided rock and mineral particles.
    http://purl.obolibrary.org/obo/ENVO_01000017
Environments - EOL project  
Additional detail scrubland
  • Scrubland
    Area covered with low-growing or stunted perennial vegetation and usually not mixed with trees.
    http://purl.obolibrary.org/obo/ENVO_00000300
Environments - EOL project  
Additional detail shore
  • Shore
    That part of the land in immediate contact with a body of water including the area between high and low water lines.
    http://purl.obolibrary.org/obo/ENVO_00000304
Environments - EOL project  
Additional detail shrubland biome
  • Shrubland biome
    A shrubland biome is a terrestrial biome which includes, across its entire spatial extent, dense groups of shrubs.
    http://purl.obolibrary.org/obo/ENVO_01000176
Environments - EOL project  
Additional detail temperate Environments - EOL project  
Additional detail woodland Environments - EOL project  
Foraging Habitat
Additional detail freshwater habitat
  • Freshwater habitat
    A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
    http://purl.obolibrary.org/obo/ENVO_00002037
Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Primary Diet
Additional detail Omnivore
  • Omnivore
    An animal that mainly eats all kinds of things, including plants and animals.
    http://www.owl-ontologies.com/unnamed.owl#Omnivore
adult
Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Feeds on
Additional detail American Wigeon Global Biotic Interactions  
Additional detail Birds Global Biotic Interactions  
Additional detail Crustaceans Global Biotic Interactions  
Additional detail Insects Global Biotic Interactions  
Additional detail Mammals Global Biotic Interactions  
Additional detail Ray-finned Fishes Global Biotic Interactions  
Additional detail Redhead Global Biotic Interactions  
Temperature at range midpoint latitude min
Additional detail 2.3 degrees Celsius Symonds and Tattersall, 2010  
Water nitrate concentration min
Additional detail 0.038 µmol/L OBIS Environmental Information  
max Additional detail 4.68 µmol/L OBIS Environmental Information  
Water temperature min
Additional detail 10.71 degrees Celsius OBIS Environmental Information  
max Additional detail 17.27 degrees Celsius OBIS Environmental Information  
Water silicate concentration min
Additional detail 1.44 µmol/L OBIS Environmental Information  
max Additional detail 16.17 µmol/L OBIS Environmental Information  
Water phosphate concentration min
Additional detail 0.33 µmol/L OBIS Environmental Information  
max Additional detail 0.8 µmol/L OBIS Environmental Information  
Water dissolved O2 concentration min
Additional detail 5.54 mL/L OBIS Environmental Information  
max Additional detail 6.59 mL/L OBIS Environmental Information  
Water O2 saturation max
Additional detail 103.81 percent OBIS Environmental Information  
min Additional detail 99.4 percent OBIS Environmental Information  
  • Has predator
    is consumed for energetic or other nutritional needs (by another organism)
    http://eol.org/schema/terms/HasPredator
Has predator
Additional detail Badgers, Otters, Weasels, and Relatives Global Biotic Interactions  
Additional detail Bald Eagle Global Biotic Interactions  
Additional detail Canada Goose Global Biotic Interactions  
Additional detail Dog Global Biotic Interactions  
Additional detail Eastern Pine Snake Global Biotic Interactions  
Additional detail Golden Eagle Global Biotic Interactions  
Additional detail Great Horned Owl Global Biotic Interactions  
Additional detail Herring Gull Global Biotic Interactions  
Additional detail Mice and Rats Global Biotic Interactions  
Additional detail Northern Pike Global Biotic Interactions  
Additional detail Northern Raccoon Global Biotic Interactions  
Additional detail Northern River Otter Global Biotic Interactions  
Additional detail Prairie Falcon Global Biotic Interactions  
Additional detail Red Fox Global Biotic Interactions  
Additional detail Red-tailed Hawk Global Biotic Interactions  
Additional detail Seagulls Global Biotic Interactions  
Water salinity min
Additional detail 30.38 PSU OBIS Environmental Information  
max Additional detail 33.5 PSU OBIS Environmental Information  

Life History and Behavior

Data about <i>Larus californicus</i>
Nest type
Additional detail open cup Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Developmental Mode
Additional detail semiprecocial
  • Semiprecocial
    Parent(s) provide food but not thermoregulation (e.g., gulls and terns).
    http://eol.org/schema/terms/semiprecocial
Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Foraging time
Additional detail diurnal Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Parental care
Additional detail pair provides care
  • Pair provides care
    Both parents feed and nurture offspring.
    http://eol.org/schema/terms/parentalCarePair
Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Clutch/brood/litter size
Additional detail 3 AnAge Database of Animal Ageing and Longevity  
Log10 productivity
Additional detail -0.494 Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  
Litters per year
Additional detail 1 per year AnAge Database of Animal Ageing and Longevity  
Total life span max
Additional detail 30 years AnAge Database of Animal Ageing and Longevity  
Onset of fertility
Additional detail 3.0 years female AnAge Database of Animal Ageing and Longevity  
Additional detail 3.0 years male AnAge Database of Animal Ageing and Longevity  
Growth rate
Additional detail 0.16 per day AnAge Database of Animal Ageing and Longevity  
  • Prenatal development duration
    The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.
    http://eol.org/schema/terms/PrenatalDevelopmentDuration
Prenatal development duration
Additional detail 25 days AnAge Database of Animal Ageing and Longevity  

Conservation

Data about <i>Larus californicus</i>
Iucn red list category
Additional detail least concern
  • Least concern
    A taxon is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widespread and abundant taxa are included in this category.
    http://eol.org/schema/terms/leastConcern
IUCN  
Population trend
Additional detail Decreasing IUCN  

Other

Data about <i>Larus californicus</i>
Migratorystatus
Additional detail migratory
  • Migratory
    Makes seasonal movements between breeding and wintering grounds
    http://www.owl-ontologies.com/unnamed.owl#Migratory
Energetics, lifestyle, and reproduction in birds (Sibly et al. 2012)  

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