Took the short walk to Greenside reservoir this morning. Lots of spring happening,  bird song, especially chiffchaff ...

Took the short walk to Greenside reservoir this morning. Lots of spring happening, bird song, especially chiffchaff & willow warbler. Heard blackcaps (confirmed with merlin) and finally saw some. A cuckoo calling, the first this year. A few butterflies around including one small tortoiseshell.