This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

This dainty white butterfly is now only found in a few parts of Britain, where it flutters slowly through woodland clearings.

Oyster mushrooms are shell shaped fungi that grow in tiers or fabulous clusters on dead trees or stumps. Unlike many fungi, these mushrooms are not seasonal and can be found all year round,…

The stately grass-of-parnassus displays pretty, white flowers with green stripes. Once widespread, it is now declining as its wetland habitats are disappearing.

Afancod yw peirianwyr byd yr anifeiliaid; os nad yw eu cartref yn ddigon da, nid yw gwneud ambell welliant yn creu unrhyw broblem iddyn nhw! Mae’r anifeiliaid anhygoel yma wedi addasu’n berffaith…

Once widespread, this attractive plant has declined as a result of modern agricultural practices and is now only found in four sites in South East England.