Nature Blog Network

Greenfinch decline

We have always had a good number of greenfinch on and around the lane.
Until this year.
GGBW numbers from January show we had 5 in 2013, 5 in 2014 but only one in 2015.
We have scarcely seen one since, although the few we have seen appear healthy enough.

Greenfinch have become relatively dependent on garden feeding secondary to the decline in seed supply in the wider countryside. The emergence of Trichomonas in 2005 further hit the greenfinch population, reducing breeding numbers by approx 35%. It is thought that the infection is spread at least in part via contaminated feeders.

Sad



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