The bright green ring-necked parakeet is an escapee and our only naturalised parrot; its success is likely due to warmer winters.

Forming mats of straight, bright green stems, Common spike-rush does, indeed, look like lots of tightly clustered 'spikes' near the water's edge of our wetland habitats.

A bushy brown seaweed that appears bright blue underwater.

Dyer's greenweed is a classic plant of hay meadows, heaths and open woodlands. It has upright stems with loose clusters of bright yellow, pea-like flowers in summer.

There are several species of cucumber spider, recognised by their bright green abdomen.

The striking red crown, golden back, and bright yellow wings of the goldfinch make it one of our prettiest garden birds. It happily visits birdtables and feeders across the UK.

The bright purple flowers of this perennial herb can be seen in a range of grassy places.

The bright yellow daffodils that adorn our roadsides and parks are likely to be garden varieties. Head to a woodland or damp meadow in North or South West England, or Wales, to see a true wild…