The invasion continues

This winter Europe has been host to an avian phenomenon I wasn’t even aware was possible. Hawfinches in the UK are very rare and elusive birds, mainly confined to large areas of forest such as the Forest of Dean and the New Forest. Indeed, in February 2017 I hitched a lift with Josie Hewitt for a two hour journey to the New Forest especially to see these birds, and it’s funny to think how oblivious I was to the fact that it would become clear by the end of the year that it was an unnecessary trip.

I don’t think anyone is quite sure why, but this winter Hawfinches have truly irrupted from their core European breeding grounds. The areas where these usually strictly forest-dwelling birds have been recorded over the past few months is incredible, including the Moroccan Sahara, Kuwait and Alaska! In Sussex, where hardly any are seen outside of West Dean Woods, flocks have surpassed 100 individuals at locations scattered across the county. I am not aware of any previous such invasions of this species, so it definitely feels like a once-in-a-lifetime experience.

Last weekend, I was ringing at fellow trainees Dave and Penny Green’s garden near Wisborough Green. I had heard that there were one or two Hawfinches visiting their large Yew tree, so I was fairly hopeful that some brief sightings would enliven our ringing session a little more. However, it soon became clear that my expectations were far too low! We were treated to an almost constant presence of Hawfinches throughout the day, at least 6 I think and possibly up to 10 were visiting the Yew at one point. This allowed for some absolutely brilliant views of this normally tricky-to-see species.

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Beautiful male Hawfinch

As you can see from the photo, Hawfinches have a massive bill. These have evolved to crack really hard nuts and seeds, such as cherry stones which they can easily crack. They certainly are attractive, chunky finches and I do hope that the invasion continues, and perhaps there’ll be a bumper breeding season for them here in the UK!

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