Semipalmated Plover (Charadrius semipalmatus (Bonaparte, 1825))

Scientific name: Charadrius semipalmatus (Bonaparte, 1825)
Common name: Semipalmated Plover
French name: Pluvier semipalmé, Gravelot semipalmé.
Order: Charadriiformes
Family: Charadriidae
Size: Body size: 17 to 19 cm; Weight: 30 to 60 g; Wingspan: 43 to 52 cm.
Habitat: Sandy and pebble beaches on the sea shore or along rivers, mudflats and dunes with sparse vegetation.
Food: Worms, crustaceans, molluscs and small insects caught after stirring up the sand or mud with the feet.
Nesting: The nest is a small depression in a sandy or stony area with sparse vegetation. Females lay 3 or 4 eggs in June. The chicks leave the nest shortly after hatching.
Migration: Semipalmated Plovers winter in South America, so they can be observed in many regions during their migratory movements.
Geographic area: Alaska, north-eastern Canada.

The Semipalmated Plover has a stocky, almost neckless silhouette. It has a brown head and back. The neck and belly are white.
The males have a black line on the forehead that goes from the bill to the back of the eye.
A black collar extends from the throat to the nape.
The bill is short with an orange base and a black tip. The legs are orange. The toes are semipalmated.
Females look like males but with brown instead of black.
In non-breeding plumage, the black is replaced by brown and the bill turns to blackish.


Semipalmated Plover (Charadrius semipalmatus) - Bonaventure, Chaleur Bay, Gaspésie, Québec, Canada - September 5th 2017
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Semipalmated Plover (Charadrius semipalmatus)
It was quite easy to observe the Semipalmated Plovers which were not very shy.
At this date they were all in non-breeding plumage and perhaps ready to migrate to their wintering areas.



Semipalmated Plover (Charadrius semipalmatus) - Bonaventure, Chaleur Bay, Gaspésie, Québec, Canada - September 5th 2017
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Semipalmated Plover (Charadrius semipalmatus)
Does the darker brown colour of the collar and marking towards the eye indicate a male?



Semipalmated Plover (Charadrius semipalmatus) - Bonaventure, Chaleur Bay, Gaspésie, Québec, Canada - September 5th 2017
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Semipalmated Plover (Charadrius semipalmatus)
Here is an isolated bird by the sea. I also observed small groups of about ten Semipalmated Plovers but my photos are not very good.



Semipalmated Plover (Charadrius semipalmatus) - Martinique, France - April 13th 2018
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Semipalmated Plover (Charadrius semipalmatus)
Is this the wintering area of these Semipalmated Plovers or are they just stopping over on their migration route to their northern nesting area?



Semipalmated Plover (Charadrius semipalmatus) - Martinique, France - April 13th 2018
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Semipalmated Plover (Charadrius semipalmatus)
A few days after taking this photo, Diamant beach was inundated by sargassum.

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