Common Shorebirds: ID Guide

Large Medium Small 14”-18” 35 - 46 cm 8.5”-12” 22 - 31 cm 6”- 8” 15 - 20 cm Large Shorebirds Medium Shorebirds Small Shorebirds Whimbrel 17.5” 44.5 cm 9.5” 24 cm Wilson’s Plover 7.75” 19.5 cm Spotted 7.5” 19 cm American Oystercatcher 17.5” 44.5 cm Black-bellied Plover 11.5” 29 cm 7.75” 19.5 cm 6.5” 16.5 cm 15” 38 cm Short-billed 11” 28 cm White-rumped Sandpiper 6” 15 cm 14” 35.5 cm Ruddy 9.5” 24 cm 6.25” 16 cm 6.25” 16 cm American Avocet* 18” 46 cm 10.5” 26.5 cm Snowy Plover 6” 15 cm 14” 35.5 cm 8.5” 21.5 cm Semipalmated Plover Black-necked Stilt* 7.25” 18.5 cm Killdeer* 10.5” 26.5 cm Piping Plover 7.25” 18.5 cm * 8.5” 21.5 cm Lesser Yellowlegs & : Brad Winn; Red Knot: Anthony Levesque; Pectoral Sandpiper & *not pictured * 8.5” 21.5 cm White-rumped Sandpiper: Nick Dorian; All other photos: Walker Golder Clues to help identify shorebirds Size & Shape Bill Length & Shape Foraging Behavior Size Length How big is it compared to other ? Peeps (Semipalmated, Western, Least) Walk or run with the head down, picking and probing Short Medium As long Longer as head than head Bobs tail up and down when walking Plovers, Turnstone or standing Small Medium Large Sandpipers White-rumped Sandpiper Tail tips up while probing Yellowlegs Overall Body Shape Stilt Sandpiper Whimbrel, Oystercatcher, Probes mud like “oil derrick,” Willet, rear end tips up Dowitcher, Curvature Plovers Stilt, Avocet Run & stop, pick, hiccup, run & stop Elongate Compact Yellowlegs Specific Body Parts Stroll and pick Bill & leg color Straight Upturned Eye size Plovers = larger, sandpipers = smaller Tip slightly Probe mud with “sewing machine” Leg & neck length downcurved Downcurved bill, body stays horizontal