coordinator |
Tijs van den Berg
|
---|---|
website | http://www.vrsdehaar.nl/ |
cr-birding | https://www.cr-birding.org/node/4666 |
ring area | Nederland, Amsterdam (Artis) en Alphen aan de Rijn (Vogelpark Avifauna) |
animals | 40 |
observations | 275, of which 41 are captures |
ringed in | 2018 to 2020 |
In 2018 VRS De Haar started in Zoo Artis and Vogelpark Avifauna in the Netherlands with a RAS-project for survival research for Black-crowned Night Heron. Both adults and nestlings are ringed with a white colour ring with two black letters. The used letters are: A, C, E, H, J, L, N, P, S, T, V, X, Y, Z.
ES
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