Recording #0090  Extended portion of blackcap song, demonstrating the bird's ability to mimic other species.

Recording #0090

Extended portion of blackcap song, demonstrating the bird's ability to mimic other species.

 Recording #0112  Roesel's bush cricket, stridulating amongst roadside vegetation.

Recording #0112

Roesel's bush cricket, stridulating amongst roadside vegetation.

 Recording #0084  Great spotted woodpecker, briefly drumming on an exposed beech limb.

Recording #0084

Great spotted woodpecker, briefly drumming on an exposed beech limb.

 Recording #0026  Black-headed and European herring gulls, on the outskirts of Gdynia’s Skwer Kościuszki along concrete sea defences.

Recording #0026

Black-headed and European herring gulls, on the outskirts of Gdynia’s Skwer Kościuszki along concrete sea defences.

 Recording #0111  Internal sounds from estuary debris, trapped amongst rock shore defences along the edge of the River Severn.

Recording #0111

Internal sounds from estuary debris, trapped amongst rock shore defences along the edge of the River Severn.

 Recording #0098  Song thrush, singing clearly from the very top of a common ash tree on the edge of a Cotswold meadow.

Recording #0098

Song thrush, singing clearly from the very top of a common ash tree on the edge of a Cotswold meadow.

 Recording #0034  Internal sounds from a partially submerged tree branch, recorded in Northern Ireland’s Sperrin Mountains.

Recording #0034

Internal sounds from a partially submerged tree branch, recorded in Northern Ireland’s Sperrin Mountains.

 Recording #0020  Close-up recording of a common starling nest, situated behind guttering at the edge of a village bungalow roof.

Recording #0020

Close-up recording of a common starling nest, situated behind guttering at the edge of a village bungalow roof.