The black sea bream really is a fascinating fish. From sex changes to nest building, this fish is full of surprises!

Red-necked grebes occasionally attempt to nest in the UK, but they're more often seen as winter visitors to sheltered coasts.

One of our largest and most impressive solitary wasps, the bee wolf digs a nest in sandy spots and hunts honey bees.

Growing in tufts, Crested dog's-tail is a stiff-looking grass, with a tightly packed, rectangular flower spike. Look for it in lowland meadows and grasslands.

A small, tufted fern, maidenhair spleenwort can be found growing out of crevices between rocks, in walls and on mossy branches across the UK.