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The hen harrier is a bird of prey. It breeds in Eurasia. The term "hen harrier" refers to its former habit of preying on free-ranging fowl. It migrates to more southerly areas in winter.

There is a view that the word 'butterfly' originates from the yellow colour of male Brimstones. The wings of the female are very pale green, almost white, males have yellow-green underwings and yellow upper wings.

Allium ursinum, known as wild garlic, ramsons, cowleekes, cows's leek, cowleek, buckrams, broad-leaved garlic, wood garlic, bear leek, Eurasian wild garlic or bear's garlic, is a bulbous perennial flowering plant in the amaryllis family Amaryllidaceae.

Blackthorn trees are early starters, bursting in to effusive white blossom early in the year, before they have even grown any leaves, before any other trees have thought too much about flowering.

Its spring, and like most birds, Crested Grebes have mating on the mind at this time of year. For this, grebes adopt a fancy feathered crest, and then engage in elaborate courtship rituals. Listen in to Nature File for a little insight in to the mating behaviour of crested grebes in Irish waters this mating season.

It is not native to Ireland and is thought to have been introduced to the Burren region of Ireland in 1970 from Britain. The slow worm is coppery brown or sometimes bluish grey in colour with darker flanks.