BTO Bird Migration Blog

A far from normal spring It has been anything but a normal spring. March, with its early spring Mediterranean overshoots, at times felt l...

Migration slows a little. With the mass arrival of many of our common migrants last week, Whitethroats, Garden Warblers, Swifts and Swal...

The floodgates open As soon as the wind turned south-easterly and dropped they began to arrive in their hundreds and thousands. Many site...

North and west, east and south divide. It has very much been a week in which migration has been a game of two halves, with south and e...

Even though the weather has been challenging for northward bound migrants, particularly in southern Europe, small numbers have still trickl...

This weekend’s cold north-easterly airflow wasn’t ideal for summer migrants heading back to the UK. However, birds did arrive, with Ring Ou...

Having spent the last week or so on the south coast of Kent, full of anticipation for the wonderful spectacle of visible spring migration th...