Hermann Brehm / Blackcap (Sylviya atricapilla) male perched in blossom, Hungary, April.

Jussi Murtosaari / Blackcap (Sylvia atricapilla) female and two males huddling together for warmth while sleeping, Finland, May.

Bence Mate / Eurasian blackcaps (Sylvia atricapilla) caught on limed stick, Cyprus. Finalist in The Wildlife Photojournalist Award: Single Image Category of the Wildlife Photographer of the Year Awards (WPOY) Com...

Jussi Murtosaari / Garden warbler (Sylvia borin), catching flies in willow tree, Korpoo, Uto, Finland, May.

Markus Varesvuo / Blackcap (Sylvia atricapilla) feeding on berries, Uto, Finland, October.

Markus Varesvuo / Blackcap (Sylvia atricapilla) Uto Finland May

David Perpinan / Female Orphean warbler (Sylvia hortensis) arriving at a water spot to drink, Cuenca, Spain, June.

Robin Chittenden / Dartford warbler (Sylvia undata) with Insect prey in beak, perched on Gorse (Ulex sp). Minsmere, Suffolk, England, UK. July.

Oscar Dewhurst / Dartford warbler (Sylvia undata) male perched on heather. Suffolk, England, UK. April

Oscar Dewhurst / Dartford warbler (Sylvia undata) male perched on heather. Suffolk, England, UK. March.

Oscar Dewhurst / Dartford warbler (Sylvia undata) male perched on top of heather. Suffolk, UK. May.

Jussi Murtosaari / Barred warbler (Sylvia nisoria) male perched in tree, surrounded by yellow flowers. Pargas, Aboland, Finland. May.

Jussi Murtosaari / Lesser whitethroat (Sylvia curruca) feeding on Hoverfly (Syrphidae), perched on branch. Pargas, Aboland, Finland. May.

Jussi Murtosaari / Blackcap (Sylvia atricapilla) male perched in tree amongst blossom. Pargas, Aboland, Finland. May.

Jussi Murtosaari / Blackcap (Sylvia atricapilla) male perched in tree amongst blossom. Pargas, Aboland, Finland. May.

Jussi Murtosaari / Blackcap (Sylvia atricapilla) male perched on branch amongst blossom. Pargas, Aboland, Finland. May.

Loic Poidevin / European blackcap (Sylvia atricapilla) eating olive, Vendre, France, December.

Loic Poidevin / European blackcap (Sylvia atricapilla) eating olive, Vendre, France, December.

Loic Poidevin / European blackcap (Sylvia atricapilla) eating olive, Vendre, France, December.

Loic Poidevin / European blackcap (Sylvia atricapilla) eating olive, Vendre, France, December.

Robin Chittenden / Dartford warbler (Sylvia undata) taking off from Gorse (Ulex sp). Suffolk, England, UK. March.

Robin Chittenden / Dartford warbler (Sylvia undata) perched on stem beside Gorse (Ulex sp) flowers. Suffolk, England, UK. March.

Robin Chittenden / Dartford warbler (Sylvia undata) amongst Gorse (Ulex sp). Suffolk, England, UK. March.

Robin Chittenden / Dartford warbler (Sylvia undata) perched on Gorse (Ulex sp) branch. Suffolk, England, UK. March.

Robin Chittenden / Dartford warbler (Sylvia undata) perched on Bramble. Suffolk, England, UK. March.

Mick Jenner / Dartford warbler (Sylvia undata) singing from a gorse bush, Dorset, England, UK, April.

David Tipling / Whitethroat (Sylvia communis) in song Minsmere RSPB Reserve, Suffolk, England, UK. May

Andy Sands / Whitethroat (Sylvia communis) male searching for flies around Hawthorn bush, Hertfordshire, England, UK, May

Erlend Haarberg / Lesser Whitethroat (Sylvia curruca) male in spring, Innlandet, Norway, May.

Robin Chittenden / Dartford Warbler (Sylvia undata) perched on bramble flower, Suffolk, England, UK, June.

Robin Chittenden / Dartford Warbler (Sylvia undata) perched, Suffolk, England, UK, June.

Robin Chittenden / Dartford warbler (Sylvia undata) perched, Suffolk , England, UK. June.

Jussi Murtosaari / Lesser whitethroat (Sylvia curruca) covered in yellow pollen, Finland, May.

Jussi Murtosaari / Lesser whitethroat (Sylvia curruca) covered in yellow pollen, Finland, May.

Robin Chittenden / Cyprus warbler (Sylvia melanothorax) perched on branch. Cyprus. April.

Robin Chittenden / Dartford warbler (Sylvia undata) perched on thorny Bramble branch. Suffolk, England, UK. March.

Loic Poidevin / Eurasian blackcap (Sylvia atricapilla) perched on Rowan (Sorbus aucuparia) Leon, Spain, February

Robin Chittenden / Common Whitethroat (Sylvia communis) perched, Norfolk, England, UK, September.

Paul Hobson / Whitethroat (Sylvia communis) male singing, perched on Hawthorn twig. Sheffield, England, UK. May.

Hermann Brehm / Blackcap (Sylviya atricapilla) male, Hungary, April.

Hermann Brehm / Blackcap (Sylviya atricapilla) female, Hungary, April.

Hermann Brehm / Blackcap (Sylviya atricapilla) female, Hungary, April.

David Tipling / Eurasian blackcap (Sylvia atricapilla) drinking at garden bird bath, Norfolk, England, UK. April.

David Tipling / Dartford warbler (Sylvia undata) female, North Norfolk, England, UK. March

David Tipling / Western subalpine warbler (Sylvia cantillans) female, Arribes del Duerro, Near Zamora Spain June

Konrad Wothe / Garden warbler (Sylvia borin) singing, Bavaria, Germany, May.

Konrad Wothe / Male Blackcap (Sylvia atricapilla) singing, Bavaria, Germany, April.

Dave Bevan / Pair of Garden warblers (Sylvia borin) bringing dry grass for nest building to nest site, Carmarthenshire, Wales, UK, May.