Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) at sunset, before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Andrew Parkinson / Redwing (Turdus iliacus) protecting a windfall apple from another bird. Derbyshire, UK, February. (Non-ex)

Andrew Parkinson / Redwings (Turdus iliacus) squabbling over an apple in snow. Derbyshire, UK, February. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Animal Behaviour' category. (Non-ex) Winner of...

Chris Gomersall / 2020VISION / Redwing (Turdus iliacus) perched in a snow covered hedgerow, Cambridgeshire, England, UK, December

Chris Gomersall / 2020VISION / Redwing (Turdus iliacus) feeding on Hawthorn (Crataegus monogyna) berries in winter hedgerow, Cambridgeshire, England, UK, December

Andy Sands / Redwing {Turdus iliacus} feeding on rotting apples. UK.

Mike Wilkes / Five thrush species feeding at fallen fruit in snow, England UK. Clockwise from top: Fieldfare {Turdus pilaris} Song thrush {T. philomelos) Blackbird {T. merula} Redwing {T. iliacus} Mistle thrush {Tu...

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Marie Read / Red-winged blackbird (Agelaius phoeniceus) male calling and displaying, backlit, showing steamy breath on a chilly spring morning, Ithaca, New York, USA, April.

David Tipling / Redwing (Turdus iliacus) newly arrived migrants drinking at puddle, North Norfolk, England, UK, October.

David Tipling / Fieldfare (Turdus pilaris) and Redwing (Turdus iliacus) newly arrived migrants from the continent drinking and bathing in puddle. North Norfolk, England, UK. October.