A selection of the winning and short-listed entries are also chosen by the BTO to feature in a special large-format photobook. The 2017 edition is available now, and partial profits from its sales will directly support the BTO's bird conservation efforts.
Scroll down to see some of the most incredible bird photos you might ever lay eyes on, and share this post with the bird-lover in your life.
More info: photocrowd.com // bto.org
#1 Grey Heron, Ahmad Al-essa, Kuwait. Silver Award Winner In The Attention To Detail Category
#2 Full Speed By Faisal Alnomas, Kuwait. Bird Behaviour Category
#3 Blue Tit On Berries By Markus Varesvuo, Helsinki, Finland. Winner Of Best Portfolio 2017 Category
#4 The Battle By Jose Garcia, US. Bird Behaviour Category
#5 Barn Owl Hovering By Roy Rimmer, UK. Bird Behaviour Category
#6 2017 Bird Photographer Of The Year Cover
#7 Catch Of The Day By Vince Burton, UK. Winner Of The Nature Photographers Ltd People’s Choice Award Category
#8 Goosander And Brood By Jonathan Gaunt, UK. Bird Behaviour Category
#9 Bearded Sunset By Markus Varesvuo, Helsinki, Finland. Winner In Best Portfolio Category And Honourable Mention For Best Portrait Category
#10 The Speculum By Georgina Steytler. Australia. Gold Award Winner In The Creative Imagery Category