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.

Fergus Gill / 2020VISION / Whitethroat (Sylvia communis) with insect prey, perched on Rosebay willowherb (Epilobium angustifolium), Perthshire, Scotland, UK, June.

Richard Steel / 2020VISION / Grasshopper warbler (Locustella naevia) singing, Wirral, England, UK, May 2012

Markus Varesvuo / Blackcap (Sylvia atricapilla) Uto Finland May

David Tipling / 2020VISION / Reed warbler (Acrocephalus scirpaceus) with twelve day old Cuckoo (Cuculus canorus) chick at nest, Norfolk, England, UK, May

Andy Rouse / 2020VISION / Dartford warbler (Sylvia undata) male perched, singing, Wales, UK, May

Andy Rouse / 2020VISION / Dartford warbler (Sylvia undata) male perched, singing, Wales, UK, May

Chris Gomersall / 2020VISION / Dartford warbler (Sylvia undata) adult male perched on flowering Heather / Ling (Calluna vulgaris) on heathland, Suffolk, UK, August. 2020VISION Book Plate.

Bert Willaert / Aquatic Warbler (Acrocephalus paludicola) perched. Belarus, Europe, September.

Chris Gomersall / 2020VISION / Reed warbler (Acrocephalus scirpaceus) adult perched in reedbed, Titchwell RSPB reserve, Norfolk, UK, April.

Chris Gomersall / 2020VISION / Sedge warbler (Acrocephalus schoenobaenus) adult singing in reedbed, Cambridgeshire, UK, May

Chris Gomersall / 2020VISION / Sedge warbler (Acrocephalus schoenobaenus) adult perched, singing, Norfolk, UK, May

Ben Hall / 2020VISION / Dartford warbler (Sylvia undata) perched on Heather twig, Arne RSPB reserve, Dorset, UK, July. 2020VISION Book Plate.

Andrew Parkinson / 2020VISION / Whitethroat (Sylvia communis) adult perched in Blackthorn hedgerow with insect prey for young, Hope Farm RSPB reserve, Cambridgeshire, UK, May

Bence Mate / Great reed warbler (Acrocephalus arundinaceus) taking fish from water, Hungary, June. Winner, Eric Hosking award, 2011 Wildlife Photographer of the Year competition

Andrew Parkinson / Sedge warbler (Acrocephalus schoenobaenus) singing portrait, Saltee Islands, Republic of Ireland, May.

Wild Wonders of Europe / Hamblin / Lesser whitethroat (Sylvia curruca) in breeding plumage, perched on Cow parsely (Anthriscus sylvetris) Nemunas Regional Reserve, Lithuania, June 2009

Markus Varesvuo / Lesser Whitethroat (Sylvia curruca) with yellow pollen stain on head from willow catkins. Porvoo, Söderskär, Finland. May

Tomasz Zawadzki/ BIA / Great Reed-Warbler (Acrocephalus arundinaceus) calling, Poland

Chien Lee / Chestnut-capped Laughingthrush (Garrulax mitratus), Kinabalu National Park, Sabah, Malaysia

Debapratim Saha/ BIA / Greater Necklaced Laughingthrush (Garrulax pectoralis), West Bengal, India

Eric Sohn Joo Tan/ BIA / Red-tailed Laughingthrush (Garrulax milnei), Yunnan, China

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

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.

Robin Chittenden / Yellow-eyed babbler (Chrysomma sinense) perched, Sri Lanka.

Ashish & Shanthi Chandola / Brown parrotbill (Cholornis unicolor) perched on Bamboo stem. North Sikkim, India. April.

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.