Mae noethdagellogion, sy’n cael eu hadnabod hefyd fel gwlithod môr, yn debyg iawn i’w perthnasau ar y tir a welwch chi yn eich gardd efallai. Ond, yn wahanol i wlithen yr ardd, mae’r noethdagellog…

The wasp spider is a great mimic - looking just like a common wasp keeps it safe from predators, even though it is not dangerous itself. It can be found in southern England, but is spreading north…

The spiky, silvery leaves of Sea-holly give this plants its common name. Look for its beautiful, thistle-like, blue blooms on coastlines and sand dunes in summer.

The hawfinch is the UK's largest finch, with an enormous bill powerful enough to crush a cherry stone. Despite their size, they are typically elusive, especially during the summer nesting…

Yn gawr ym myd y crwbanod môr, mae’r crwban môr cefn-lledr yn crwydro’r cefnfor gan chwilio am slefrod môr. Yn wahanol i grwbanod môr eraill, mae’r crwban môr cefn-lledr yn hoffi’r oerni! Mae hyn…

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

A fluffy-looking grass of rough grassland, roadside verges and disturbed ground, False oat-grass is very familiar and often overlooked; in fact, it can help to stabilise dunes and shelter small…

At night, the pretty, white blooms of white campion produce a heady scent, attracting feeding moths. Look for this wildflower along hedgerows and roadside verges, and on waste ground.

Beautiful demoiselles are, well, beautiful! Often confused for a dragonfly, these giants of the damselfly world are hard to miss with their metallic blue and green colours.

Many of us have felt the painful bite of the twin-lobed deer-fly (a 'horse-fly') while out walking in damp grasses or woods. But mostly, it prefers to feed on the blood of cows and…