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.
You can expect to hear the Lesser Whitethroat serenading you from late April. The fact that it belongs to the Warbler family of birds gives you a clue as to what to expect.
Any child can recognize the call of the cuckoo when it has returned from its winter nesting in Africa.
The European Pied Flycatcher prefers to make its home in oak trees where possible, so keep your ears open if you see oaks around.