This document lists the winners and runners-up from the Australian Geographic Nature Photographer of the Year 2018 competition. Matthew Smith won multiple category prizes, including Animal Habitat and Portfolio Prize for the photo "Enchanted" and Threatened Species and Portfolio Prize for "Maybe 2 in a 1000". Other winners included Tracey Jennings for the overall prize with "Hide and seek b", Dan Giselsson for Animal Behaviour with "Posing Black-fronted Dotterels", and Dylan Fox for Landscape with "Early Elation". Several finalist photos are also mentioned at the end.

1. OVERALL WINNER : Hide and seek b
By Tracey Jennings

2. Australian Geographic Nature Photographer of the Year 2018

3. WINNER, ANIMAL BEHAVIOUR:
Posing Black-fronted Dotterels
By Dan Giselsson

4. WINNER, PORTFOLIO PRIZE: Cross Dresser By Matthew Smith

5. RUNNER-UP, ANIMAL BEHAVIOUR: Play Fighting By Georgina Steytler

6. RUNNER-UP, ANIMAL HABITAT: Dune Run By Josh Tagi

7. WINNER, ANIMAL HABITAT AND PORTFOLIO PRIZE: Enchanted By Matthew Smith

8. WINNER, ANIMAL PORTRAIT: The northern leaf-tailed gecko By Igor Mikula

9. WINNER, PORTFOLIO PRIZE: Ribbon Dancer By Matty Smith

10. RUNNER-UP, ANIMAL PORTRAIT AND PORTFOLIO PRIZE: Luminous By Matthew Smith

11. WINNER, BOTANICAL : The Refuge By Andy Lewis

12. RUNNER-UP, BOTANICAL : Pandani in Blizzard By Raoul Slater

13. WINNER, JUNIOR : Running Wombat By Floyd Mallon

14. RUNNER-UP, JUNIOR: Hell's Gate By Fionn Holyoak-Roberts

15. WINNER, LANDSCAPE: Early Elation By Dylan Fox

16. RUNNER-UP, LANDSCAPE: Broken Dreams By Ben Goode

17. WINNER, MONOCHROME: Junction Falls After By Peter Hill

18. RUNNER-UP, MONOCHROME: Light Dappled Billabong By Richard Wylie

19. WINNER, OUR IMPACT: Left Behind By Ben Goode

20. RUNNER-UP, OUR IMPACT: City Slicker By Justin Gilligan

21. WINNER, THREATENED SPECIES AND PORTFOLIO PRIZE: Maybe 2 in a 1000 By Matthew Smith

22. WINNER, PORTFOLIO PRIZE: Australian Sea Lion Family Portrait By Matthew Smith

23. Some Finalists

24. Sunset Sky By Robert Irwin

25. Kimberley Gold By Sean Scott

26. Facing off with an Anemonefish By Frederieke Kroon

27. Maroondah Dam By Peter Virag

28. Lyrebird Strut By Charles Davis

29. Approach By Charles Davis

30. Balance By Dylan Toh

31. Wake Up Sleepy Heads By Julie Fletcher

32. Numbat Dreaming By Robert McLean

33. A Curious Encounter By Wayne Osborn

34. Awaiting the Breeze By Dianne Galbraith

35. END