Here's another selection of the original twittersphere's greatest hits so that by the time you're swinging lazily in a sun-drenched hammock you won't even need to open your eyes to know what's up in the branches above.
The recordings are courtesy of ornithologist Edmunds Račinsks, with photographs from Jānis Jansons.
Common Snipe
The Snipe has a remarkable way of making noise, flying high in circles and then diving to produce a drumming or bleating sound by vibrating its tail feathers.
Robin
What would otherwise be a fairly drab and anonymous bird is made instantly recognizable by its reddish-orange breast. Its song is pleasant and varies according to the season.
Black Redstart
The Black Redstart seems happiest in towns and cities and that's where you're most likely to hear its loud, slightly hoarse song reverberating among the rooftops from April.