Today the Royal Mail unveils ten new stamps featuring British mammals under threat. The species chosen range from marine giants – the humpback whale and sperm whale – to delicate dormice and hibernating hedgehogs.
Red squirrels in Northern Scotland are being saved by preventing grey squirrels spreading to these areas.
In the last 10 years, the population of the lesser horseshoe bat, Rhinolophus hipposideros, has increased by nearly 50%.
Help monitor the spread of non-native species in the UK by taking part in an online survey of harlequin ladybirds, Harmonia axyridis.
Help scientists find out which species of garden ladybird have been threatened by the arrival of the harlequin ladybird, Harmonia axyridis.
