Another warm sunny day for spring but with a strong cold breeze. First Tiger Beetles of the year  were out. 4 species of hoverfly seen with Cheilosia albipila being new for Caerau. Also a very distinctive tachinid fly in Gonia picea was feeding on dandelion and was new for the valley. 4 Gwynne's mining bee and 6 White-tailed Bumblebee were seen. 4 Chiffchaff were present [2 singing males and 2 quiet ones feeding in the understorey. Other birds included a pair of Jay, Green Woodpecker and 2 pairs of Meadow Pipit. No butterflies, day moths or new flowering plants yet.
New for Caerau, there have been a few records down Lletty Brongu sewage works at the bottom/lower valley
1st for valley - wide brown/orange forehead and white stripes on the abdomen