The Keeled skimmer is a dragonfly of heaths and commons with shallow pools. It has a skittish and weak flight, and is on the wing in summer and early autumn.

Y dolffiniaid trwyn potel yn nyfroedd Prydain yw’r rhai mwyaf o’u bath – maen nhw angen gallu ymdopi â’n dŵr oer ni! Dyma greaduriaid cymdeithasol iawn ac maen nhw’n fwy na pharod i nofio ochr yn…

Look for the wood warbler singing from the canopy of oak woodlands in the north and west of the UK. Green above, it has a distinctive, bright yellow throat and eyestripe.