The WPY 53 competition is now closed for entries. Thank you to all who have taken part this year. Over the next three months your images will be reviewed by leading figures in nature and wildlife photography. It's an exciting time for all.
We'll be in touch in January if you've made it to the second round, and in March with the results.
The competition closes on 15 December 2016 at 11.30 GMT.
If you've made it to the second round, original and high-resolution files will be requested from 25 January 2017 until 10 February 2017 at 11.30 GMT.
Winners will be contacted by 17 March 2017.
There are three age group categories for photographers aged 17 and under.
Read the rules before entering the competition and submitting images.
Available to download in 12 languages.
Answers to the most common questions.