Have you spotted some beautiful silhouettes darting and diving in the summer sky? Swifts, swallows, house martins and sand martins are all summer visitors to the UK. While the swift spends most of its time soaring high in the sky, the swallow or 'barn swallow' might be seen perching on a wire, or roosting in a reedbed. Here are our top tips to work out what you might have spotted!
With thanks to illustrator Katy Frost for the use of her lovely graphics.