As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.

Wednesday, 28 January 2015

Watch: Starlings swoop and loop in a breathtaking bird ballet

Welsh winter weather often involves descriptions of dark clouds forming over the fields, woodlands and reedbeds of Wales.

But these clouds filmed this week over Cardiff Bay are no ordinary clouds. They take your breath away!

Thousands of starlings come together at this time of year to provide one of the most breathtaking wildlife spectacles..

This congregation or murmuration was seen over the Cardiff Bay Wetlands Reserve

The reason for the extraordinary spectacle is not definitively known, with theories ranging from a defence mechanism against predators to attracting more birds to join their roost.

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