Los Angeles Bioblitz Challenge

species: Western Sandpiper (Calidris mauri)

2 Observations

photo of Western Sandpiper (Calidris mauri)

species: Western Sandpiper (Calidris mauri)

Observer
gregslak
Date
7/19/2021
Quality grade
research
License
CC-BY-NC
Description
I was able to pick out three or four Western Sandpipers among a flock of over a hundred Least Sandpipers. They can be distinguished by their black (instead of yellow) legs and rufous coloring on the upper back. Compare the two birds on the left in the first photo with the two on the right.
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Description

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Taxonomy

Species Interactions

The species with links are species that have observations.

Eats

Preys on

  • Earthworms And Allies (Oligochaeta)
  • Mediterranean Mussel (Mytilus galloprovincialis)
  • Seed Shrimp (Ostracoda)
  • Flies (Diptera)
  • (Bulla)
  • Gastropods (Gastropoda)
  • Polychaete Worms (Polychaeta)
  • Bivalves (Bivalvia)
  • Pyramid Snails (Pyramidellidae)
  • Shore Flies (Ephydridae)
  • (Renicola buchanani)
  • (Picornaviridae)
  • (Acanthoparyphium)
  • Yellow Shore Crab (Hemigrapsus oregonensis)
  • (Spionidae)
  • (Pygidiopsoides spindalis)
  • (Large xiphideocercaria)
  • (Eugregarinida)
  • (Stictodora hancocki)
  • (Cryptomya)
  • (Renicola cerithidicola)
  • Greenhouse Proboscis-worms (Geonemertes)
  • (Catatropis johnstoni)
  • Bent-nosed Clam (Macoma nasuta)
  • (Hysterolecitha)
  • (Cyathocotylidae)
  • (Mesostephanus appendiculatoides)
  • (Hypereteone lighti)
  • (Phocitremoides ovale)
  • (Probolocoryphe uca)
  • (Himasthla)
  • (Euhaplorchis californiensis)
  • (Cloacitrema michiganense)
  • (Corophium)
  • (Himasthla rhigedana)
  • (Parorchis acanthus)
  • (Ephydra)
  • (Cerithidea californica)
  • (Acteocina inculta)
  • (Austrobilharzia)
  • (Carcinonemertes)
  • Horseshoe Worms (Phoronida)
  • (Capitella capitata)
  • (Orbiniidae)
  • (epipellic flora)
  • (Hesionidae)
  • (Cirriformia spirabrancha)
  • Tanaids (Tanaidacea)
  • Ribbon Worms (Nemertea)
  • Shell-boring Spionids (Polydora)
  • (Cirratulidae)
  • (Macoma secta)
  • (Carinoma mutabilis)
  • Purple Clam (Nuttallia nuttallii)
  • (Naineris)
  • (Bittium quadrifilatum)
  • (Neanthes arenaceodentata)
  • (Nassarius tiarula)
  • Atlantic Ribbed Mussel (Geukensia demissa)
  • (Corophiidae)
  • (Polydora nuchalis)
  • California Softshell (Cryptomya californica)
  • (Opisthobranchia)
  • (Ctenodrilidae)
  • (Neanthes)
  • (Haminoea vesicula)
  • (Epipellic flora)

Eaten by

  • Merlin (Falco columbarius)
  • Short-eared Owl (Asio flammeus)
  • Prairie Falcon (Falco mexicanus)

Preyed upon by

Species interaction data comes from GloBI.

More Information

iNaturalist taxa