Changing Trees

From above much of the woodland is little changed. Some scattered green among the birch is actually male and female catkins which can be found on the same trees.

Not all the birch have these, some being presumably less mature.

Two days back both Chiff Chaff and Willow Warbler were heard in these trees but not since. My own garden had a Blackcap among the Flowering Currant today. I assume this is the same one seen many weeks ago with an accompanying female. I had understood that these overwintering Blackcaps would have come from the continent and were likely to return in spring. But this one could have decided to stay. Would save a journey anyway.