Monday, 30 March 2015

Beauty before age

A couple of recoveries came through recently that are worth mentioning:

A Goldfinch ringed in the garden on 09/12/2013 was controlled by ringers in West Tofts, Norfolk almost a year later on 24/11/2014. These attractive finches are variable migrants and move more in some years than others. The increasing provision of nyger seed and sunflower hearts is probably also playing a part in influencing when and how far birds move these days.

The other recovery was of a Canada Goose that I ringed at Pennington Flash, Leigh and was recovered 19 km to the east on the river Irwell in Salford. The interesting aspect of this recovery was the bird's age rather than the movement. I had ringed it as an adult on 07/08/1995 and it was controlled on 01/12/2014 some 19 years, 3 months and 25 days later and was still going strong. As it was an adult when it was ringed it was at least a year old then and could possibly have been much older so we can safely say it is over 20 years old. Although that may seem a good age it falls well short of the longevity record for Canada Goose which stands at 31 years 10 months and 29 days and was set in 2007 (BTO Online Ringing Reports).

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