Wader database

Wader database

Black-tailed Godwit — Limosa limosa
Bar-tailed Godwit — Limosa lapponica
Curlew — Numenius arquata
Whimbrel — Numenius phaeopus
Ruff — Philomachus pugnax
Redshank — Tringa totanus
Spotted Redshank — Tringa erythropus
Red Knot — Calidris canutus
Grey Plover — Pluvialis squatarola

Red Knot

Red Knot — Calidris canutus

Last 10 observations of Red Knot

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Date	Species	Colour code	Country	Department	Town	Observer(s)
17/02/2026	CALCAN	a/G/G//G/Rf/N	FR	17	DOLUS-D'OLÉRON	MALTHIEUX Laurent	See other resightings
13/12/2023	CALCAN	P/R/Yf//R/Y	FR	17	DOLUS-D'OLÉRON	JOMAT Loïc	See other resightings
24/11/2023	CALCAN	P/R/Yf//R/Y	FR	17	DOLUS-D'OLÉRON	JOMAT Loïc	See other resightings
22/11/2022	CALCAN	R/N//Yf/P/R	FR	17	SAINT-PIERRE-D'OLÉRON	JOMAT Loïc	See other resightings
14/01/2022	CALCAN	Y/R//a_PG	FR	17	DOLUS-D'OLÉRON	JOMAT Loïc	See other resightings
05/01/2022	CALCAN		FR	17	SAINT-FROULT		See other resightings
05/01/2022	CALCAN		FR	17	SAINT-FROULT		See other resightings
05/01/2022	CALCAN		FR	17	SAINT-FROULT		See other resightings
05/01/2022	CALCAN		FR	17	SAINT-FROULT		See other resightings
05/01/2022	CALCAN		FR	17	SAINT-FROULT		See other resightings

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List the rings from top to bottom then from left to right (top left leg / bottom left leg // top right leg / bottom right leg).
Separate the rings by a _ if the bird wears rings on the tarsus (= at the bottom of the leg)

separate the rings by /
separate the legs by //
for metal rings: a

For color rings use the following coding
Color	Code
Red	R
Orange	O
Yellow	Y
Green	G
Lime	L
Blue	B
Pale	P
Niger	N
White	W
Carmin	C
Pink	K
Violet	V
Umber	U
Silver	S

for the rings equipped with a flag, the color must be followed by a tiny f as "flag" (for example Of for an orange ring with a flag)
for engraved rings, write the code engraved on the ring in square brackets, just after the color of the ring, for example W [FR] for a white ring (W) engraved FR, or Gf [H99] for a green ring with flag engraved H99
For special rings such as long dotted rings write the color of the ring, followed by a lowercase d (for "dots") then the color of the dots. For example a white ring with black dots will be noted WdN. (White dots Niger)
in addition consult this
for any question contact us