Andres M. Dominguez / Rufous-tailed scrub robin (Cercotrichas galactotes) perched on grape vine, Sevilla, Spain, August.

Dong Lei / Chestnut-headed Tesia (Tesia castaneocoronata) perched, Sichuan Province, China.

David Kjaer / Dartford warbler male on gorse bush {Sylvia undata} heathland, Hampshire, England, UK

Dong Lei / Spotted bush-warbler (Bradypterus thoracicus) singing on branch. Jiudingshan Nature Reserve, Mao Country, Sichuan Province, China. July.

David Tipling / Cetti's warbler (Cettia cetti) Northern Israel, January

Robin Chittenden / Spectacled warbler (Sylvia conspicillata orbitalis), male perched in shrub, Fuerteventura, Canary Islands, Spain. February.

Roger Powell / Sedge warbler (Acrocephalus schoenobaenus) perched in a hawthorn bush. Druridge Bay, Northumberland, England, UK, July.

Roger Powell / Sedge warbler (Acrocephalus schoenobaenus) perched in a hawthorn bush. Druridge Bay, Northumberland, England, UK, July.

Carlos N. G. Bocos/ BIA / Spotted Bush Warbler (Locustella thoracica) male calling, Qinghai Province, China

Andy Sands / Willow Warbler (Phylloscopus trochilus) Perched on Hawthorn bush, Bedfordshire, England, UK, April

John Waters / Cetti's Warbler (Cettia cetti) singing in reeds at dawn, Ham Wall RSPB Reserve, Somerset Levels, England, UK, December.

Loic Poidevin / Sedge warbler (Acrocephalus schoenobaenus) in bush. Le Teich , Gironde, France, September