Waders

species: 
Eurasian Oystercatcher
scientific name: 
Haematopus ostralegus
EURING code: 
04500
notes: 

Combination of :
​* one large bar-coded ring (one to three horizontal bars) (on tarsus) 
​* one or two small plain rings (on either tibia or tarsus) 

note 1: More information on the project and the option for online reporting your sighting on www.wadertrack.nl.

note 2: Colour-ring scheme is in use for a population-study on local breeding birds on the Dutch Waddensea island Schiermonnikoog. project was started in 1983.

note 3: On one tarsus there is a large colour-ring, with horizontal bar-inscriptions. The bar-code on the ring consists of three positions (upper, middle and lower part) holding either no (0), a thin 2mm (1), or a thick 4-6mm bar (2). Used colours are: white ring with red bars (WR), marine-blue ring with white bars (MW), orange ring with black bars (OB), light-green (lime) ring with black bars (GB), red ring with white bars (RW), red ring with black bars (RB) and green ring with white bars (GW).

note 4: Each bird has one or two small plain colour-rings on either one tibia or tarsus and a metal ring on one tibia. Used colours are: black (B), green (G), red (R) white (W) and yellow (Y). Please note exact location of rings and exact location and thickness of bars on the bar-coded ring.
 

email sighting submit: 
snailmail sighting submit: 
Bruno Ens, SOVON, po.Box 59, 1790 AB Den Burg, Texel, The Netherlands
colour-ring type: 
Legrings : combination of one coded and uncoded rings.
countries where ringed: 
The Netherlands.