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To better understand how to face to the recurring nuisances caused by the numerous crows in Paris, a study was set up by the National Museum of Natural History at the request of the city's environmental services since July 2015.

It's about capturing and tagging crows, to study their movements and survival.
In 2024, more than 1500 crows have been captured in Paris and fitted with colour rings with a 3-digit code which allows them to be identified when they are relocated. Each year, the general public and ornithologists communicate to the museum 33592 relocations of ringed individuals, especially in Paris and the close suburbs, but also at longer distances.

This website was created to allow observers to report their observations of colour-ringed crows, and to provide access to the history of each ringed bird. You can thus consult the different observations of a bird, by visualizing its places of observation on a map.

Good observations, beautiful explorations and good crows!

The observations of ringed crows of the day 
 
 DateRing codeDepartmentLocalityRoad/SiteObservers  
 03/10/2024   187   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   249   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   262   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   352   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   001   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   279   ParisPARISJardin des Plantes Marie-Lan Taÿ Pamart
 03/10/2024   438   Département de ParisPARISBoulevard Diderot schmuck Jean Jacques
 
Top 10 of the most distant
recoveries from ringing
Top 10 of the highest
longevity since ringing
 
Ring codeDistance  
  469   333.628 km
  013   263.734 km
  547   244.899 km
  095   214.178 km
  130   196.161 km
  160   158.433 km
  573   145.596 km
  829   121.490 km
  095   113.688 km
  133   110.626 km
 
Ring codeLongevity /ringing  
  001   3375 jours
  011   3369 jours
  003   3350 jours
  006   3322 jours
  047   3132 jours
  070   3093 jours
  099   3027 jours
  065   2886 jours
  121   2836 jours
  017   2827 jours

  Sources © Arnaud LH - contact site - contact Programme - Crédits photographiques : Marie-Lan Taÿ-Pamart, Yves Gestraud, Frédéric Jiguet