-
8
Fig. 1. Pectoral Sandpiper. Winter (basic) plumage. Note plain gray-brown coloration. Punto Arenas, Chile; 3 January 2022.
-
6
Fig. 2. Pectoral Sandpiper. Spring (alternate) plumage. Hornsby Bend, Austin, TX. 21 April 2014.
-
5
Fig. 3. Pectoral Sandpipers. Most birds in spring (alternate) plumage. Hornsby Bend, Austin, TX; 2016.04.19.
-
7
Fig. 4. Pectoral Sandpiper male performing courtship flight. North Slope, AK. 15 June 2016.
-
2
Fig. 5. Pectoral Sandpiper male displaying full breeding form. North Slope, AK. 16 June 2019.
-
3
Fig. 6. Pectoral Sandpiper. Adult with some breeding (alternate) feathers faded or molting. Maskinonge, Quebec, Canada. 10 August 2022.
-
3
Fig. 7. Pectoral Sandpiper. Worn summer (alternate) molting to winter (basic) plumage. Huila, Colombia. 4 November 2023.
-
7
Fig. 8. Pectoral Sandpiper. Juvenile. Arlington Reservoir, Arlington, MA. 22 October 2013.
-
3
Fig. 9. Pectoral Sandpiper juveniles. Note white scapular V-marks on back (mantle) feathers. Arlington Reservoir, Arlington, MA. 27 October 2023.
-
4
Fig. 10. Pectoral Sandpipers. Note significant size difference between male and female. Caribou, British Columbia, Canada; 1 October 2023.
-
4
Fig. 11. Pectoral Sandpiper in flight. Note brown upper body and wings (mantle) with inconspicuous pale wing stripes. Victoria, British Columbia, Canada. 22 May 2020.
-
5
Fig. 12. Pectoral Sandpiper. Note underwing pattern in flight. Cook, IL. 11 August 2023.
-
3
Fig. 13. Comparison of Pectoral Sandpiper and Least Sandpiper, both in spring (alternate) plumage. Vancouver, British Columbia, Canada. 17 May 2019.
-
5
Fig. 14. Comparison of Pectoral Sandpipers and Semipalmated Sandpipers. Note tall posture and warm back (mantle) tones of Pectorals. Bear Creek Wildlife Sanctuary, Saugus, MA. 29 September 2019.
-
11
Fig. 15. Pectoral Sandpipers and Dunlins in flight. Note Dunlins with long bills and bright white dorsal wing stripes. Monroe, Michigan. 23 April 2021.
-
6
Fig. 16. Comparison of Lesser Yellowlegs and Pectoral Sandpiper. Note warm colored Pectoral vs. gray yellowlegs. Hornsby Bend, Austin, TX. 21 April 2014.
-
6
Fig. 17. Greater Yellowlegs and Pectoral Sandpiper. Note significant size difference. Butte, CA. 3 October 2020.
pectoral.sandpiper.punto.arenas.chile.jorge.vidal.melian.2022.01.03.ML401970311.jpg
Fig. 1. Pectoral Sandpiper. Winter (basic) plumage. Note plain gray-brown coloration. Punto Arenas, Chile; 3 January 2022.
pectoral.sandpiper.hornsby.bend.2014.04.21.DSCN0817.jpg
Fig. 2. Pectoral Sandpiper. Spring (alternate) plumage. Hornsby Bend, Austin, TX. 21 April 2014.
pectoral.sandpipers.hornsby.bend.2016.04.19.P1050576.jpg
Fig. 3. Pectoral Sandpipers. Most birds in spring (alternate) plumage. Hornsby Bend, Austin, TX; 2016.04.19.
pectoral.sandpiper.north.slope.ak.2016.06.15.daniel.pettersson.ML30267291.jpg
Fig. 4. Pectoral Sandpiper male performing courtship flight. North Slope, AK. 15 June 2016.
pectoral.sandpiper.north.slope.alaska.daniel.lopez-velasco.2019.06.16.ML310699731.jpg
Fig. 5. Pectoral Sandpiper male displaying full breeding form. North Slope, AK. 16 June 2019.
pectoral.sandpiper.maskinonge.qu.2022.08.10.julie.blondeau.ML474185521.jpg
Fig. 6. Pectoral Sandpiper. Adult with some breeding (alternate) feathers faded or molting. Maskinonge, Quebec, Canada. 10 August 2022.
pectoral.sandpiper.huila.colombia.2023.11.04.sergio.andres.duena.trejo.ML610836428.jpg
Fig. 7. Pectoral Sandpiper. Worn summer (alternate) molting to winter (basic) plumage. Huila, Colombia. 4 November 2023.
pectoral.sandpiper.arlington.reservoir.2013.10.22.DSCN4383.jpg
Fig. 8. Pectoral Sandpiper. Juvenile. Arlington Reservoir, Arlington, MA. 22 October 2013.
pectoral.sandppes.arlington.reservoir.2023.10.27.P1290041.jpg
Fig. 9. Pectoral Sandpiper juveniles. Note white scapular V-marks on back (mantle) feathers. Arlington Reservoir, Arlington, MA. 27 October 2023.
pectoral.sandpipers.caribou.bc.2023.10.01.sandy.proulx.ML609472176.jpg
Fig. 10. Pectoral Sandpipers. Note significant size difference between male and female. Caribou, British Columbia, Canada; 1 October 2023.
pectoral.sandpiper.victoria.bc.2020.05.22.geoff.newhouse.ML237548831.jpg
Fig. 11. Pectoral Sandpiper in flight. Note brown upper body and wings (mantle) with inconspicuous pale wing stripes. Victoria, British Columbia, Canada. 22 May 2020.
pectoral.sandpiper.cook.il.2023.08.11.matt.zuro.ML602945851.jpg
Fig. 12. Pectoral Sandpiper. Note underwing pattern in flight. Cook, IL. 11 August 2023.
pectoral.sandpiper.least.sandpiper.robert.holland.vancouver.bc.2019.05.17.ML159160731.jpg
Fig. 13. Comparison of Pectoral Sandpiper and Least Sandpiper, both in spring (alternate) plumage. Vancouver, British Columbia, Canada. 17 May 2019.
pectoral.sandpiper.semipalmated.sandpipers.bear.creek.2019.09.29.P2440557.jpg
Fig. 14. Comparison of Pectoral Sandpipers and Semipalmated Sandpipers. Note tall posture and warm back (mantle) tones of Pectorals. Bear Creek Wildlife Sanctuary, Saugus, MA. 29 September 2019.
pectoral.sandpipers.dunlins.monroe.michigan.2021.04.23.ML330200251.jpg
Fig. 15. Pectoral Sandpipers and Dunlins in flight. Note Dunlins with long bills and bright white dorsal wing stripes. Monroe, Michigan. 23 April 2021.
lesser.yellowlegs.pectoral.sandpiper.hornsby.bend.2014.04.21.DSCN0756.jpg
Fig. 16. Comparison of Lesser Yellowlegs and Pectoral Sandpiper. Note warm colored Pectoral vs. gray yellowlegs. Hornsby Bend, Austin, TX. 21 April 2014.
pectoral.sandpiper.greater.yellowlegs.butte.ca.2020.10.03.liam.huber.ML267850251.jpg
Fig. 17. Greater Yellowlegs and Pectoral Sandpiper. Note significant size difference. Butte, CA. 3 October 2020.