Two: landing on grass and crawling into undergrowth; reappearing and repeating process. I assume they are looking for new nesting holes.
Possible queens as very large.
Pair on Fencing - Black head and neck, prominent white cheeks, olive upperparts and yellow underparts
Rusty red wings with, at each wingtip, distinctive, black, blue and yellow eye-spots.
Blue crown and dark blue line passing through the eye, and encircling the white cheeks to the chin. White forehead. Wings and tail are blue. Underparts yellow.
Black head and neck, prominent white cheeks, olive upperparts and yellow underparts
Next to Maghull to Ormskirk Railway Line.
Flower - violet-purple, 3-5 cm diameter, with a five-lobed corolla.
Bright yellow head, yellow underparts, and a heavily streaked brown back.
In ditch - south facing - white 'flowers' with six or seven petal-like segments.
Blackish bark and dense, stiff, spiny branches; blossom five creamy-white petals; no leaves yet.
Strobilus of the Great Horsetail (Equisetum telmateia telmateia).
See http://en.wikipedia.org/wiki/Horsetail
5-lobed blue flowers with yellow centers. Leaves are alternate.